AsbestosAtlas · browse index

Vessels by class.

Every vessel class in the dataset and the ships filed under it. Counts reconcile exactly to the 9,992-record fleet.

1,470 classes · 45 unclassed records · 9,992 records total

1,470 classes
LST-11,014 ships
LCI(L)-351600 ships
LSM-1495 ships
YMS-1452 ships
Hopkins273 ships
PC-461246 ships
Fletcher169 ships
LCI(L)-1150 ships
Buckley148 ships
Admirable138 ships
PC-1078135 ships
LCS(L)(3)128 ships
Haskell119 ships
SC-497117 ships
Clemson101 ships
AMc100 ships
Gato98 ships
Benson/Gleaves93 ships
Gearing93 ships
Evarts85 ships
Edsall84 ships
John C. Butler82 ships
YT78 ships
wood76 ships
Auk74 ships
Tacoma74 ships
Balao73 ships
Rudderow71 ships
Accentor70 ships
Cannon70 ships
PCS-137668 ships
Aggressive66 ships
YTB63 ships
Aloe58 ships
Allen M. Sumner55 ships
LSM(R)-50154 ships
PCE-827/84252 ships
Balao class48 ships
Oliver Hazard Perry48 ships
Wickes42 ships
APL41 ships
Barnegat40 ships
Achelous36 ships
AFDL36 ships
Artemis36 ships
Lapwing35 ships
PC35 ships
PGM-1/9/1834 ships
Tolland34 ships
Andromeda33 ships
Gilliam33 ships
Abnaki32 ships
Casablanca32 ships
Navajo31 ships
Sakatonchee31 ships
Natick30 ships
PC-160530 ships
Tench class29 ships
Alamosa class (cargo ship); MARAD type C1-M-AV128 ships
Ailanthus27 ships
YN27 ships
ARD26 ships
Cleveland-class26 ships
Early Knox25 ships
LST-1156/Terrebonne Parish24 ships
Patapsco24 ships
Squier24 ships
Sturgeon class24 ships
YP24 ships
Frederick Funston22 ships
ATR-121 ships
Late Knox21 ships
Adroit20 ships
Boulder Victory20 ships
LST-54220 ships
Armadillo19 ships
Casablanca-class19 ships
Commencement Bay-class19 ships
Ashtabula18 ships
Adria17 ships
Bluebird17 ships
Crater class (EC2-S-C1 Liberty hull)17 ships
Diver17 ships
PCE-84217 ships
Bayfield16 ships
Casa Grande16 ships
Eagle16 ships
Sotoyomo16 ships
Asheville15 ships
ATA-12115 ships
Bogue-class15 ships
Cohoes15 ships
S-1 class (S-class 'Holland'-type, Bethlehem second group)15 ships
Alamosa14 ships
Arcturus14 ships
Baltimore-class14 ships
APc-113 ships
Cimarron13 ships
Crosley13 ships
Knox13 ships
steel13 ships
Sturgeon13 ships
Agile12 ships
Ashland12 ships
Escambia12 ships
LSM(R)-188 Landing Ship Medium (Rocket)12 ships
Luzon12 ships
Mission Buenaventura class fleet oiler (USMC type T2-SE-A2)12 ships
Permit/Thresher class12 ships
PGM-59/7112 ships
Robert H. Smith12 ships
Suamico12 ships
Acubens11 ships
Crater class (cargo ship); MARAD type EC2-S-C111 ships
Garcia11 ships
Harris11 ships
Klickitat11 ships
Los Angeles (SSN-688) class, Flight I11 ships
Mount McKinley11 ships
Achowami10 ships
Courtney10 ships
Independence-class10 ships
LSM(R)-40110 ships
Omaha-class10 ships
Sargo10 ships
Anchor9 ships
Belknap-class9 ships
Benewah9 ships
James Madison class9 ships
Kennebec9 ships
Adm. W. S. Benson8 ships
Alamosa class (C1-M-AV1)8 ships
Algol8 ships
AMCU-78 ships
Austin8 ships
Bolster8 ships
Chimo8 ships
EC2-S-C1 (Liberty ship)8 ships
Lafayette class8 ships
Leahy8 ships
Mount Hood8 ships
Acme7 ships
AFDB7 ships
Bagaduce7 ships
Basilan7 ships
Benjamin Franklin class (fleet ballistic-missile submarine, '41 for Freedom')7 ships
Brooke7 ships
Brooklyn-class7 ships
Charleston7 ships
Hisada7 ships
Kilauea7 ships
Los Angeles class (Flight I)7 ships
New Orleans-class7 ships
Osage7 ships
PGM-97 ships
Tambor7 ships
Thomaston7 ships
Ticonderoga class (modified Essex)7 ships
Ability6 ships
Belle Isle6 ships
Crescent City6 ships
Enceladus6 ships
Essex-class (long-hull / Ticonderoga group)6 ships
Fulton6 ships
Gar (Tambor class in DANFS spec block)6 ships
Gen. G. O. Squier6 ships
Guardian class (SCB Project 126 conversion of MC Z-EC2-S-C5)6 ships
Heywood6 ships
Iwo Jima6 ships
La Salle6 ships
LST-1 class (LST-1 design group)6 ships
Mahan6 ships
Mizar6 ships
Ohio class6 ships
President Jackson6 ships
Shenandoah6 ships
Unadilla6 ships
Windsor6 ships
YTM6 ships
Abarenda5 ships
AFDM-35 ships
Ailanthus class (AN-38 class); wood-hull construction5 ships
Ailanthus class (wooden-hulled net tender, 1942 program)5 ships
Ailanthus-class5 ships
Anchorage5 ships
APL-25 ships
Appalachian5 ships
Arthur Middleton5 ships
Benham5 ships
Casco5 ships
Dixie5 ships
Essex-class5 ships
Ethan Allen class5 ships
ex net layer5 ships
Fletcher-class5 ships
Forrest Sherman-class5 ships
Greenville Victory5 ships
Landing Craft Infantry5 ships
Neosho5 ships
Northampton-class5 ships
Portunus5 ships
Sassaba5 ships
Sims5 ships
Stalwart5 ships
Tang class5 ships
Ticonderoga-class5 ships
Adjutant-class (source-stated).4 ships
Aegir4 ships
AFDM4 ships
Ailanthus class4 ships
Alamosa-class (Navy AK on Maritime Commission C1-M-AV1 diesel cargo hull)4 ships
Albatross4 ships
Atlanta-class4 ships
Atlanta-class (Oakland group)4 ships
Brazilian Pirantini4 ships
Cahokia4 ships
Caldwell4 ships
Camanche4 ships
Charles F. Adams-class4 ships
Chauvenet4 ships
Chiwawa4 ships
Claud Jones4 ships
Crater4 ships
Currituck4 ships
Danish Daphne4 ships
Dash4 ships
Essex class4 ships
Forrestal-class4 ships
Gypsy4 ships
Harry Lee4 ships
Haven4 ships
Indus4 ships
Iowa-class4 ships
Kanawha4 ships
Kenmore4 ships
Kenneth Whiting4 ships
Kidd4 ships
Klondike4 ships
Lassen4 ships
Lodestone4 ships
McCawley4 ships
Mission Buenaventura4 ships
Newport class — stated by source.4 ships
Nimitz-class4 ships
Ormsby4 ships
PCE-16044 ships
Porter4 ships
R class (R-1 class per DANFS/NavSource heading; Union Iron Works group)4 ships
R-1 class (R-class coastal and harbor defense submarine)4 ships
Safeguard4 ships
Saipan-class4 ships
Sangamon-class4 ships
Skipjack4 ships
South Dakota-class4 ships
Sumter4 ships
Supply4 ships
T2-SE-A14 ships
Ailanthus-class net laying ship3 ships
Alamosa class (USMC type C1-M-AV1)3 ships
Alchiba class (MC design N3-S-A2)3 ships
Allen M. Sumner-class3 ships
APL-173 ships
ARD-123 ships
Aristaeus3 ships
ATA-174 class (Navy BAT-1 design; NavSource styles the type 'Sotoyomo class')3 ships
Atlanta-class (Juneau group)3 ships
Bagley3 ships
Barbel3 ships
Belknap3 ships
Bobo3 ships
Bronstein3 ships
Camanga3 ships
Camano class (AKL 1-14, FS Design 381); U.S. Army Design 381 'Vessel, Supply, Diesel, Steel, 176-foot'3 ships
Camano class (Army Design 381, 176-ft steel twin-screw diesel supply vessel)3 ships
Canonicus3 ships
Captain3 ships
Castor3 ships
Catskill3 ships
Chicopee3 ships
Chourre3 ships
Cleveland-class (ordered design); Independence-class (as completed)3 ships
Colorado-class3 ships
Comfort3 ships
Conrad3 ships
Crater-class (built on EC2-S-C1 Liberty hull)3 ships
Curtiss3 ships
Dealey3 ships
Des Moines-class3 ships
Doyen3 ships
Gato (DANFS spec block reads BALAO; NavSource and the Gato class profile list Gato - SS-361-364 attribution varies across references)3 ships
Gearing-class3 ships
General John Pope class (Maritime Commission type P2-S2-R2)3 ships
George Washington class3 ships
Gleaves3 ships
Goldcrest3 ships
Gwinnett3 ships
Hawk3 ships
HMS Assistance3 ships
Humboldt3 ships
Independence-class (converted Cleveland-class cruiser hull)3 ships
Leahy-class3 ships
Libra3 ships
LSM-1 class conversion.3 ships
LST-5113 ships
Mars3 ships
Mauna Loa3 ships
Mettawee3 ships
Midway-class3 ships
Mission Buenaventura class (USMC type T2-SE-A2)3 ships
Monadnock3 ships
New Mexico-class3 ships
Norwalk3 ships
Oregon City-class3 ships
Pasig3 ships
Patrol yacht3 ships
Paul Revere3 ships
PC-461-class submarine chaser3 ships
Pegasus class (source states class explicitly)3 ships
Perch class (Porpoise-class second group; DANFS spec block: PORPOISE)3 ships
Powhatan3 ships
Procyon3 ships
Raleigh3 ships
Sotoyomo class (ATA-174 design group; Navy BAT-1 steel diesel-electric design); ATA-219-238 lend-lease construction block3 ships
Sotoyomo-class3 ships
Spruance-class3 ships
Stag3 ships
Tarawa-class3 ships
Vulcan3 ships
Yorktown-class3 ships
AA-1 class (T class) - experimental fleet submarine2 ships
Acontius2 ships
Action-class patrol gunboat; Canadian Flower-class corvette2 ships
Adjutant class (Yung Ping class in ROC Navy naming).2 ships
Ailanthus-class net laying ship (AN-38 class; Navy YN-57/AN-38 design, wooden hull)2 ships
Alamosa (cargo ship); MARAD type C1-M-AV12 ships
Alaska-class2 ships
Albacore2 ships
Amphion2 ships
Arctic2 ships
Arleigh Burke2 ships
ATA-2142 ships
Avenger2 ships
Aventinus2 ships
Bullfinch2 ships
Burton Island2 ships
C7-S-95a (MARAD design)2 ships
Cachalot class (2 boats: Cachalot SS-170, Cuttlefish SS-171); last of the interwar 'V-boats,' designed under London Naval Treaty 1930 limits2 ships
Camano class (Army Design 381 FS type, 176-177 ft steel diesel freighter)2 ships
Cannon-class2 ships
Cape class2 ships
Cape Johnson2 ships
Catbird2 ships
Celtic2 ships
Chanticleer2 ships
Chanticleer class2 ships
Chanticleer-class2 ships
Chateau Thierry2 ships
Childs2 ships
Coastal patrol yacht (PYc)2 ships
Crater class (EC2-S-C1 hull)2 ships
Crater class (Maritime Commission EC2-S-C1 Liberty-type cargo hull)2 ships
Crater class (Navy cargo-ship conversion of the EC2-S-C1 Liberty design)2 ships
Delta2 ships
Denebola2 ships
Denver-class2 ships
DSV class (Navy's single deep-submergence-vehicle class - NVR class field 'DSV 1', lead-hull designation; commonly styled 'Alvin-class' in secondary literature since Turtle/Sea Cliff were built to a design similar to Alvin with spheres fabricated for that program; NOT 'Albacore class' - no authoritative source applies that label to this vehicle; see ev-08 correction row)2 ships
Edenton-class (ATS-1 class)2 ships
Elizabeth C. Stanton2 ships
Emory S. Land class (AS-39)2 ships
Fabius2 ships
Farragut2 ships
Florida-class2 ships
Freedom2 ships
General John Pope-class (P2-S2-R2)2 ships
Grayback2 ships
Griffin2 ships
Grumium2 ships
Guardian-class (YAGR/AGR); built as Maritime Commission type Z-EC2-S-C5 boxed aircraft transport (Liberty hull form)2 ships
Harkness2 ships
Haven-class hospital ship (Maritime Commission C4-S-B2 hull)2 ships
Hyades2 ships
Kite2 ships
Kitty Hawk2 ships
Kitty Hawk-class2 ships
Laysan Island2 ships
Lexington-class2 ships
Leyden2 ships
LSM(R)-401 Class Landing Ship Medium (Rocket)2 ships
LST-1 class (LST-1 design group, BuShips SDB-1945 v2 grouping LST1-490)2 ships
LST-1 class (tank landing ship)2 ships
LST-1 class tank landing ship (BuShips LST1-490 design group); hospital conversion LST(H) from 19452 ships
LST-1-class2 ships
LST-1-class tank landing ship2 ships
LST-4912 ships
Mackerel class2 ships
Manasquan2 ships
Manhasset2 ships
Mattaponi2 ships
Mission Buenaventura-class (MC type T2-SE-A2)2 ships
Nevada-class2 ships
New York-class2 ships
Nitro2 ships
No class asserted by any source (converted civilian yacht). No class stated in packet2 ships
no source states a class (one-off ferry; YFB is a type symbol, not a class).2 ships
None - unique prototype design (McDougall 'rectangular ship' / 'sea-going canal boat'; visually similar to the whaleback type)2 ships
North Carolina-class2 ships
O class (O-1 class per DANFS/NavSource heading)2 ships
O-1 class (O class, Electric Boat design group; Fore River-built subgroup O-3 through O-10)2 ships
Omaha2 ships
one of a kind2 ships
Pastores2 ships
Patoka2 ships
PCE-842-class patrol craft escort — stated by Wikipedia2 ships
Pennsylvania-class2 ships
Porpoise2 ships
Portland-class2 ships
President Polk2 ships
R-1 class2 ships
R-1 class (Electric Boat design; SS-78 to SS-97 = R-1 to R-20, built Fore River/Quincy R-1 to R-14 and Bethlehem San Francisco R-15 to R-20; Lake-design R-21 to R-27 sometimes classed separately as R-21 class)2 ships
R-class (R-1 design group; 'R-1 class' per DANFS/NavSource)2 ships
Raven2 ships
Robinson2 ships
S-3 class (a.k.a. S-4 class; 'Government'/'Navy'-type S-boat, Group II - Lake Torpedo Boat built S-14 through S-17 to the Navy BuC&R design)2 ships
Sacramento class (NVR class designator AOE-1)2 ships
Sailfish class (2 units: Sailfish SSR-572, Salmon SSR-573) - first purpose-built radar picket submarines2 ships
Salem2 ships
Salmon (Electric Boat design group)2 ships
Salmon (Government/Portsmouth design group)2 ships
Simon Lake-class2 ships
Skate (third of four-boat class)2 ships
Sotoyomo-class auxiliary fleet tug (NavSource convention; Shipscribe 'ATA-174 (later Wateree)' class group - steel-hulled rescue tug of the BAT-1/ATR-41 design family, FY 1944 Lend-Lease batch ATA-219 through ATA-238)2 ships
Spruance-class (DD-963)2 ships
St. Louis-class (modified Brooklyn design)2 ships
Storm King2 ships
Suamico class (T2-SE-A1)2 ships
Suribachi class (AE-21 class; SCB Project No. 114)2 ships
Tacoma-class patrol frigate2 ships
Taganak2 ships
Tarawa2 ships
Tasker H. Bliss2 ships
Temptress-class patrol gunboat (DANFS designation)2 ships
Tench2 ships
Tennessee-class2 ships
Trefoil class (Maritime Commission type B7-D1 non-self-propelled concrete cargo barge)2 ships
Tucker2 ships
Van Straelen class (16 wooden inshore minesweepers, M868-M883, built 1958-1962 at De Noord/Alblasserdam, G. de Vries Lentsch jr./Amsterdam, and Arnhemse Scheepsbouw Maatschappij/Arnhem; 'Dinky Toy class' in RNLN service; US paid for 8 under MDAP - those eight carry USN MSI numbers 3-10 - NL paid for 8)2 ships
VC2-S-AP2 (Victory ship)2 ships
VC2-S-AP2 Victory ship2 ships
Wakefield2 ships
Wichita class (AOR-1 class)2 ships
Wichita-class2 ships
Woban2 ships
Worcester-class2 ships
Wyoming-class2 ships
Yard Ferryboat (YFB)2 ships
"Luzon"-class river gunboat, per bob.plord.net (1928 six-boat group, 560-ton type). Source asserts the class explicitly; disclosed that it is a secondary source, not DANFS1 ship
165-foot "A" class cutter (design derived from 1915 Tallapoosa/Ossipee cutters; also referred to as the Algonquin class)1 ship
165-foot (A)1 ship
1873-program wooden screw sloop - sister to USS Adams under the same McKay contract (MHM assessments say 'Adams class'; NRHP nomination-derived text says 'Enterprise class' - label conflict in gaps)1 ship
681 class working launch/ferryboat (Cavite Navy Yard wooden launches): Santa Rita (YFB-681), Rosal (YFB-682), Camia (YFB-683), Dapdap (YFB-684), Rivera (YFB-685), Magdalena (YFB-687), Yacal (YFB-688) - all lost in the Philippines 1941-421 ship
681-class working launch / ferryboat1 ship
681-class working launch/ferryboat (Cavite Navy Yard wooden launches)1 ship
ABSD-1-class advance base sectional dock (10-section large auxiliary floating drydock, AFDB-1 Artisan)1 ship
Accentor class (Accentor/Acme-class coastal minesweeper)1 ship
Accentor-class coastal minesweeper (both DANFS's stats line and NavSource print 'Accentor' for this hull; the single 70-unit wooden 97-ft design also carries the documented dual name 'Acme-class' in other references - see Summit AMc-106 record, where DANFS prints 'Acme')1 ship
Accentor-class coastal minesweeper (purpose-built wooden-hulled 97-ft type; carried in the official 'No. 61-110 Class' AMc grouping); reclassified IX-202 unclassified miscellaneous auxiliary 1944-12-201 ship
Accentor-class coastal minesweeper (styled 'Acme' in this hull's DANFS stats line and NavSource; the single 70-unit wooden 97-ft design is named Accentor in uboat.net, shipbuilding-history, and class references - 'Accentor/Acme-class' is a documented dual name)1 ship
Achomawi1 ship
Action class / modified Flower-class corvette1 ship
Action class patrol gunboat (American Flower-class / modified Flower-class corvette); Canadian-built under reverse Lend-Lease, USCG-manned; class namesake USS Action (PG-86, ex-CN-304, Collingwood Shipyards Ltd.) - DANFS class context1 ship
Action class; modified Flower-class corvette1 ship
Action-class patrol gunboat (Canadian-built Flower-class corvette; ex-CN314, intended HMS Nepeta K290; the Navy's 1940-45 ship list groups the type under the Temptress (Corvette) Class umbrella)1 ship
Action-class patrol gunboat (modified Flower-class corvette)1 ship
Active-class 125-ft Coast Guard patrol cutter (one of 33 built 1926-27); Navy registry class 'CUYAHOGA (AG-26)' (singleton)1 ship
Acushnet (one-off cutter)1 ship
Adirondack1 ship
Adjutant class (MSC-292 subclass per the class table; described by globalsecurity as the sole MSC-292-class ship).1 ship
Adjutant class (MSC-294 subclass per the class table).1 ship
Adjutant class.1 ship
Admiral Hipper-class1 ship
Admiral W. S. Benson-class transport; MARAD type P2-SE2-R1 (MC hull 679)1 ship
AFDB-1 class large auxiliary floating drydock (ex-ABSD-1 advance base sectional dock), Section C; IX unclassified miscellaneous1 ship
AFDB-1 class large auxiliary floating drydock - Section H of Advance Base Sectional Dock 2 (ABSD-2/AFDB-2)1 ship
AFDB-1-class large auxiliary floating drydock (Section F of ten-section USS ABSD-2/AFDB-2)1 ship
AFDL-11 ship
AFDL-1 class per NVR class field; built as a 1,000-ton AFD-type one-piece steel trough dock (Bureau of Yards and Docks design), redesignated AFDL under the 1946 Navy floating-drydock nomenclature revision1 ship
AFDM-141 ship
AFDM-3 class medium auxiliary floating dry dock (lead unit); built as Yard Floating Dock YFD-61 ship
Ailanthus class (AN-38 group) net laying ship; Navy YN-57/AN-38 design - wood-hulled diesel-electric net layer built under the wartime small-combatant program (Everett-Pacific contracts substituted for cancelled PCE hulls, May 1942)1 ship
Ailanthus class (BuShips YN-57/AN-38 design - wooden-hulled net tender)1 ship
Ailanthus class (wooden-hulled net tender, 1942 program); DANFS specification line renders 'cl. Canotia' - see gaps1 ship
Ailanthus class net laying ship (YN-57/AN-38 design; wooden-hulled)1 ship
Ailanthus-class net laying ship (Navy YN-57/AN-38 design; wooden hull)1 ship
Alameda1 ship
Alamosa class (AK-156 class); MC design C1-M-AV11 ship
Alamosa class (Maritime Commission type C1-M-AV1)1 ship
Alamosa class (Navy AK on Maritime Commission C1-M-AV1 diesel cargo hull)1 ship
Alamosa class (per DANFS ship-data line); Maritime Commission type C1-M-AV11 ship
Alamosa-class cargo ship (AK-156 class); Maritime Commission design C1-M-AV1 - never converted for Navy service ('converted by builder' per Shipscribe; Navy fitting-out at Oakland NSD and brief conversion at NSFB Treasure Island per DANFS)1 ship
Alamosa-class cargo ship (U.S. Maritime Commission type C1-M-AV1)1 ship
Alatna (T1-MET-24a)1 ship
Albacore class (one-of-a-kind experimental auxiliary submarine)1 ship
Albert M. Boe / Z-EC2-S-C5 Liberty variant1 ship
Alchiba1 ship
Alchiba class (AK-261 through AK-266); Maritime Commission design N3-S-A21 ship
Alchiba class (AK-261); Maritime Commission type N3-S-A21 ship
Alcor class (AK-259) per Shipscribe class file grouping the four SCB-86 conversions AK-257 through AK-260; 'Antares class' per the updated NHHC DANFS stat line; 'Greenville Victory class' per NavSource and the 1959 DANFS entry; Maritime Commission type VC2-S-AP3, MC hull V101 ship
Alcor class (single-ship class; ex-merchant liner, Design: Passenger & Cargo, 1927)1 ship
Aldebaran class (MC type C2-Cargo; Navy conversion)1 ship
Alfonso XII-class unprotected cruiser (Spanish Navy); unclassified auxiliary (IX) in U.S. service1 ship
Algorma class (DANFS 'cl. Algorma'; NavSource hull page 'Algorma Class Fleet Tug') - also published as Bagaduce class for the same AT-20/21-AT-39 WWI-program steel fleet tugs; naming discrepancy logged in gaps1 ship
Algorma class (fleet tug; WWI program)1 ship
Alhena class (single-ship class; Maritime Commission type C2-S, MC hull 74)1 ship
Alstede1 ship
Alstede class (Maritime Commission C2-S-B1(R) refrigerated cargo conversion, MC hull 187)1 ship
Alstede class (Maritime Commission type R2-S-BV1)1 ship
Alstede class (MC R2-S-BV1 refrigerated stores ship, Moore Dry Dock; AF-55 the only class unit converted under SCB Project 57; sisters Alstede AF-48, Zelima AF-49, Pictor AF-54, Sirius AF-60, Procyon AF-61, Bellatrix AF-62; T-AF units Bald Eagle T-AF-50, Blue Jacket T-AF-51, Golden Eagle/Arcturus AF-52 were C2-S-B1(R) conversions)1 ship
Alstede class (MC R2-S-BV1 refrigerated stores ship, Moore Dry Dock; name ship; sisters Zelima AF-49, Pictor AF-54, Aludra AF-55, Sirius AF-60, Procyon AF-61, Bellatrix AF-62; T-AF sisters Bald Eagle, Blue Jacket, Golden Eagle/Arcturus were C2-S-B1(R) conversions)1 ship
Alstede class (Navy); Maritime Commission type R2-S-BV11 ship
Alstede class (stores ship); Maritime Commission standard type C2-S-B11 ship
AM1 ship
American Bogue1 ship
American Legion-class (per DANFS spec block 'cl. American Legion'); EFC Design 1029; NavSource groups as Harris-class - see gaps1 ship
Antares (AG-10 class, with Procyon AG-11); EFC Design 1022 (Hog Island Type A freighter)1 ship
Antona1 ship
Antona class (EFC Design 1041 tanker, Moore Shipbuilding)1 ship
APL-17 class (260-ft APL-2 design type)1 ship
APL-2 design type, APL-17 construction group - 260-ft non-self-propelled barracks ship (NavSource 'APL-17 Class'; ShipScribe 'APL-2 class')1 ship
APL-411 ship
Arctic class (AF-7); built to Emergency Fleet Corporation Design 10151 ship
ARDM1 ship
ARDM-11 ship
ARDM-41 ship
Army Design 330DA coastal freighter (Higgins contract, FS 162-179 block); shipscribe groups AKL 12-20 in the AKL 12/AKL 15 (FS Design 427/330) class; NavSource groups the hull loosely under 'Camano class' - carried as a source discrepancy1 ship
Army FS Design 330DA - shipscribe 'AKL 12/AKL 15 (FS Design 427/330)' group; NavSource catalogs under generic 'Camano class' header1 ship
Army FS Design 330DC (Higgins-built steel diesel freighter group; Shipscribe 'AKL 12/AKL 15 (FS Design 427/330)' class); NavSource labels 'Camano class' - the commissioned Camano AKLs were Design 381 conversions, so the Camano label for T-AKL-15 is loose usage1 ship
Army FS Design 342 (148' wood 'Vessel, Passenger-Cargo, Diesel'; FS 238-252 built by Martinolich, Northwestern Shipbuilding, and Pacific Shipbuilding, 1943-44; AKL-33 the only Design 342 hull to carry an AKL number - the AKL 34-36 group was Design 381 steel); NavSource labels 'Camano class' - loose usage (commissioned Camano AKLs were Design 381 conversions); Shipscribe class: 'AKL 33 (T-AKL 33, FS Design 342)'1 ship
Army FS Design 381 (steel, 176') - shipscribe 'AKL 34 (T-AKL 34, FS Design 381 part 3)' group (AKL 34-36); NavSource catalogs under generic 'Camano class' header1 ship
Army FS Design 381 - shipscribe 'AKL 17 (T-AKL 17, FS Design 381 part 2)' group (AKL 17-32); NavSource catalogs under 'Camano class' header1 ship
Army FS Design 381 - shipscribe 'USNS AKL 17 (T-AKL 17, FS Design 381 part 2)' group; NavSource catalogs under generic 'Camano class' header (Design 381 is the same design family as the commissioned Camano-class AKLs)1 ship
Army FS Design 381A (refrigerated variant) - shipscribe 'AKL 17 (T-AKL 17, FS Design 381 part 2)' group; NavSource catalogs under generic 'Camano class' header1 ship
Army FS Design 427 ('Vessel, Supply, Aircraft Repair, Diesel, Steel, 180-foot' - aircraft-repair variant with covered well deck as shop space) - shipscribe 'AKL 12/AKL 15 (FS Design 427/330)' group; NavSource catalogs the AKL phase under a generic 'Camano class' header, though the commissioned Camano AKLs were Design 381 hulls; DANFS assigns the commissioned ship to Banner class as AGER-31 ship
Aroostook (DANFS)1 ship
Asheville-class gunboat1 ship
Asheville-class patrol frigate (USN): two ships, Asheville (PG-101/PF-1) and Natchez (PG-102/PF-2), both laid down at Canadian Vickers, Montreal, to the British River-class frigate design and transferred to the U.S. Navy prior to completion. Asheville was contract hull CN-334 (BuShips plan stamp 'EX(CN334)'), laid down as HMS Adur (K-269); Natchez was CN-335, laid down as HMS/HMCS Annan (K-297), acquired by the USN 20 July 1942 (NavSource 12/08002, verified live). Parent design: RN River class (1941-42 escort construction).1 ship
Asterion1 ship
ATA-121 class (NHHC DANFS classification line 'cl. ATA-121'; NavSource calls the same grouping 'Sotoyomo class'). Shipscribe groups her construction batch as the ATA-174 class, identical Navy BAT-1 steel design - same hull and type either way.1 ship
ATA-121 class (per DANFS 'cl. ATA-121'); Shipscribe catalogs the FY1943 Levingston batch as the ATA-174 class, design Navy BAT-1; NavSource lists her under 'Sotoyomo class' - class-label discrepancy documented in correction row1 ship
ATA-121 class (per DANFS stat line 'cl. ATA-121'); Shipscribe catalogs the FY1943 Levingston batch (ATA-174 through ATA-198, including ATA-190) as the ATA-174 group, design Navy BAT-1; NavSource files her under 'Sotoyomo class' - class-label discrepancy noted1 ship
ATA-121 class (per DANFS stats line 'cl. ATA-121'); Shipscribe catalogs the FY1943 Levingston batch as the ATA-174 class, design Navy BAT-1; NavSource files her under 'Sotoyomo class' - class-label discrepancy documented in correction row1 ship
ATA-170 class (DANFS data-line designation; grouped with the Sotoyomo class in secondary compilations)1 ship
ATA-174 (Sotoyomo) class1 ship
ATA-174 class (ATA 174-213, 219-238 per Shipscribe); Navy BAT-1 steel diesel-electric rescue-tug design, identical to the ATR-41 and BAT-1 classes. NavSource labels the group 'Sotoyomo class.'1 ship
ATA-174 class (Navy BAT-1 design); NavSource groups the type under 'Sotoyomo class'1 ship
ATA-174 class (Navy BAT-1 design, identical to ATR-41 class; NavSource lists as Sotoyomo class auxiliary fleet tug). ATA-224 belongs to the ATA 219-238 Lend-Lease construction group ordered 20 November 1944.1 ship
ATA-174 class (Navy BAT-1 design, identical to ATR-41 class; NavSource lists as Sotoyomo class auxiliary fleet tug). ATA-234 belongs to the ATA 219-238 Lend-Lease construction group ordered 20 November 1944.1 ship
ATA-174 class (Navy BAT-1 design; NavSource labels the type 'Sotoyomo class')1 ship
ATA-174 class (Navy BAT-1 design; NavSource styles the type 'Sotoyomo class'; Brazilian service styled 'Classe Tritao')1 ship
ATA-174 class auxiliary fleet tug (NavSource/Wikipedia usage: Sotoyomo class); Navy BAT-1 design - distinct from the ATA-214 class (five ex-Ailanthus net-layers, ATA-214-218)1 ship
ATA-174 class auxiliary fleet tug (Navy BAT-1 design, identical to ATR-41 class); styled 'Sotoyomo class' by NavSource/NavalCoverMuseum1 ship
ATA-174 class per ShipScribe register (a.k.a. Sotoyomo class per NavSource; Tritao class in Brazilian service); Navy BAT-1-design 143-ft steel diesel-electric rescue-tug type1 ship
Atascosa class (Sun 'Tanker, 1942' private-account design; only ship of the type taken over by the Navy - GSBO ch. 15 and shipscribe)1 ship
Atlanta class (protected cruiser; some references Boston class)1 ship
ATR-41 class rescue tug (USN 'Sotoyomo'/ATA-121-class family, Navy BAT-1 design / Army Design 377 - 143-foot diesel-electric ocean tug); classed as RN 'Favourite' class by uboat.net. Built under British Lend-Lease Requisition BAD-1001-9; USN Maximum War Effort (1799-vessel) program; BuShips-GM contract with hulls subcontracted to Levingston1 ship
Auriga class (sole Navy unit of the design; Maritime Commission C1-B cargo hull)1 ship
Austin-class1 ship
Austin-class (conventional label; NVR class code 'LPD 4'; DANFS spec block reads 'cl. Raleigh' - see ev-06)1 ship
Austin-class (LPD-4 family; DANFS spec block 'cl. Raleigh', NVR class code 'LPD 4', ship's 2002 command history 'AUSTIN-class')1 ship
Austin-class (LPD-4 family; NVR class code 'LPD 4'; DANFS specification block: class Austin)1 ship
Austin-class (LPD-4 family; NVR class code 'LPD 4'; ship's 1967 command history: 'a new series of modified (LPD-4) class Amphibious Transport Docks')1 ship
Aventinus class (ARVE-3 class); LST-542-series hull in the BuShips LST-1/491/542 design series (SDB-1945 v2); builder-modified to repair-ship configuration during construction under the LST contract1 ship
Bagaduce class1 ship
Bagaduce-class (lead ship)1 ship
Bagaduce-class fleet tug1 ship
Bainbridge (one-off nuclear cruiser; nuclear-powered equivalent of the Leahy class)1 ship
Banner class (DANFS and NavSource class assignment); Army FS Design 427 aircraft-repair variant - shipscribe treats AGER-3 as a one-ship class since sisters Banner (AGER-1) and Pueblo (AGER-2) were standard Design 381 hulls; NavSource carries the AKL phase as 'Camano Class Light Cargo Ship'1 ship
Banner-class (converted; ex-Army FS-344)1 ship
Barracuda class (originally K-1 class) hunter-killer submarine; 3 boats: Barracuda (SSK-1), Bass (SSK-2), Bonita (SSK-3); developed under post-WWII Project Kayo for passive-sonar ASW (bow-mounted array; class context, secondary literature)1 ship
Barracuda class (originally K-1 class) hunter-killer submarine; 3 boats: Barracuda (SSK-1), Bass (SSK-2), Bonita (SSK-3); developed under post-WWII Project Kayo for passive-sonar ASW (bow-mounted BQR-4 array; class context, secondary literature). DANFS spec block for this hull reads 'cl. Bass' - class-name variant noted in gaps1 ship
Barracuda class (originally K-1 class) hunter-killer submarine; 3 boats: Barracuda (SSK-1), Bass (SSK-2), Bonita (SSK-3); developed under post-WWII Project Kayo for passive-sonar ASW (large bow-mounted array; class context, secondary literature)1 ship
Barracuda-class (V-1 class) V-boat fleet submarine1 ship
Barracuda-class (V-boat; V-2)1 ship
Barrett; P2-S1-DN31 ship
Bear (unique - purpose-built wooden-hulled sealing vessel, 1874; no sister ships, no class documentation)1 ship
Beaver class - single-ship class; converted mercantile design (Pass. & Cargo, 1910)1 ship
Bell Halter BH-110 prototype (sole SES-110BH/SES-200 high length-to-beam conversion; basis of USCG WSES-2/3/4 production design)1 ship
Belmont-class (AGTR); hull is a VC2-S-AP3 Victory ship1 ship
Belmont; VC2-S-AP3 Victory design1 ship
Benewah class (self-propelled barracks ship; conversion of an LST-542-series tank-landing-ship hull)1 ship
Benjamin Franklin class1 ship
Benjamin Franklin class (DANFS spec block lists 'cl. Lafayette' - class-boundary note in gaps)1 ship
Benjamin Franklin class (fleet ballistic-missile submarine, '41 for Freedom'; last of 14 Polaris submarines built at Newport News per NavSource launch-ceremony caption)1 ship
Benjamin Franklin class (lead ship; fleet ballistic-missile submarine, '41 for Freedom')1 ship
Benjamin Franklin class (NVR register designator SSN 640)1 ship
Benson-class destroyer (Benson/Gleaves family; Bethlehem-designed Benson subclass; name ship)1 ship
Blue Ridge1 ship
Bluebird (DANFS class entry 'cl. Bluebird'); SCB-69 design family, also called Adjutant class in MDAP-transfer context per secondary technical literature1 ship
Bogue-class (Attacker-class in Royal Navy service)1 ship
Bogue-class (second Tacoma-built group; DANFS class line 'Prince William'; RN 'Ruler-class')1 ship
Bogue-class (US designation); Attacker-class (RN designation)1 ship
Bowditch1 ship
Bowditch (single-ship class; passenger & cargo design, 1929)1 ship
Briarcliff class (IX-3) - EFC Design 1001 wooden freighter; classmate NEWTON (IX-33)1 ship
Buckley-class (TE)1 ship
Bushnell-class submarine tender (as built, AS-2); 'Sumner class' surveying ship as converted (AGS-5 - a single-ship class in the NavSource/HyperWar convention)1 ship
Buttress (ACM-4) - single-ship conversion; hull is PCE-842 class, Navy 180' PCE design derived from the Admirable-class (AM-136) minesweeper1 ship
C1-M-AV11 ship
C1-M-AV1 (DANFS: Alamosa)1 ship
C1-M-AV1 (design type)1 ship
C1-M-AV1 (MARAD design type)1 ship
C1-M-AV1 (Maritime Commission cargo type; single-hull conversion to instrumentation ship, not a purpose-built naval class)1 ship
C1-M-AV1 (Maritime Commission coastal-freighter design). Some secondary sources group this hull under an "Alamosa-class" administrative label; no official register source consulted in this pass confirms that class name for this specific hull - not asserted here, see gaps.1 ship
C1-M-AV1 design1 ship
C1-M-AV1 type (Maritime Commission coastal freighter), converted1 ship
C2-S-B1 design1 ship
C2-S-B1 merchant design1 ship
C2-S-B1(R) design; Alstede-class assignment pending primary corroboration1 ship
C3 P&C (MARAD type)1 ship
C3-IN P&C (MARAD design/type)1 ship
C3-IN P&C (MARAD type)1 ship
C3-IN P&C transport (MARAD type)1 ship
C4-ST-67a1 ship
California class (lead ship; two-ship class with USS Mississippi CGN-40)1 ship
California class (second and last ship; two-ship class with USS California CGN-36)1 ship
Camano1 ship
Camano class (AKL-1 class; Army FS Design 381 Part 1)1 ship
Camano class (Army Design 381 'Vessel, Supply, Diesel, Steel, 176'' coastal freighter)1 ship
Camano class (Army Design 381 FS type, 176-177 ft steel geared-diesel freighter)1 ship
Camano class (Army Design 381, 176-177-ft steel twin-screw diesel supply vessel)1 ship
Camano class (Army Design 381, 176-ft steel twin-screw diesel supply vessel); NavSource labels the T-AKLs 'Camano class'1 ship
Camano class (Army FS Design 381; Shipscribe AKL 17/32 'Design 381 part 2' group)1 ship
Camano class (DANFS/NavSource); Army FS Design 381A refrigerated variant - shipscribe 'AKL 17 (T-AKL 17, FS Design 381 part 2)' group; FS 368-370 were the only Design 381A hulls, becoming AKL 26-281 ship
Camano class (ex-U.S. Army Design 381 coastal freighter)1 ship
Camano class (ex-U.S. Army Design 381 steel coastal freighter)1 ship
Camano class (FS Design 381 Part 1); Army Design 381 'Vessel, Supply, Diesel, Steel, 176 ft'1 ship
Camano class (NavSource); Army FS Design 381 - shipscribe 'USNS AKL 34 (T-AKL 34, FS Design 381 Part 3)' group covering AKL 33-36 and the six-hull Korea-transfer block AKL 37-42 (FS 195, 257, 283, 390, 528, 547)1 ship
Camano class (secondary-source label); Higgins-built Army FS Design 427 group - shipscribe groups it as the AKL-12/AKL-15 (FS Design 427/330) class1 ship
Camano class (U.S. Army Design 381, 'Vessel, Supply, Diesel, Steel, 176-ft')1 ship
Camano class per DANFS and NavSource; Shipscribe groups the Higgins-built Design 330/427 hulls separately as the 'AKL 12/AKL 15 (FS Design 427/330)' class - class-name discrepancy logged in gaps1 ship
Camano class per NavSource/standard Navy AKL grouping; design note: built to Army Design 330DC (180-ft steel, Higgins) - Shipscribe classes AKL 12 and AKL 15-20 under 'FS Design 427/330,' distinct from the Wheeler-built Design 381 hulls of the core Camano class1 ship
Camano class per NavSource/standard Navy AKL grouping; design note: built to Army Design 381 (176-177 ft steel geared-diesel freighter type) - Shipscribe classes AKL 21-32 under 'USNS AKL 17 (T-AKL 17, FS Design 381 Part 2)'; Design 381 is the same design family as the commissioned Camano-class AKLs, so the NavSource 'Camano class' label is consistent here1 ship
Camano class per NavSource/standard Navy AKL grouping; design note: built to Army Design 381 (176-177 ft steel geared-diesel freighter type) - Shipscribe classes AKL 34-36 as 'USNS AKL 34 (T-AKL 34, FS Design 381 Part 3)'; Design 381 is the same design family as the commissioned Camano-class AKLs, so the NavSource 'Camano class' label is consistent here1 ship
Camano-class light cargo ship (AKL); Banner-class environmental research ship (AGER-1); U.S. Army Design 381 coastal freighter1 ship
Camano-class light cargo ship (as AKL-25); Banner-class AGER (Army Design 381 hull)1 ship
Camano-class light cargo ship (DANFS and NavSource classing); U.S. Army Design 381 FS type, 176-177 ft steel diesel freighter - shipscribe classes AKL 38-42 as 'FS Design 381 Part 3'1 ship
Camano-class light cargo ship (NavSource classing); U.S. Army Design 381 FS type, 177-ft steel diesel freighter1 ship
Camano-class light cargo ship (NavSource grouping); U.S. Army Design 381 FS - 'Vessel, Supply, Diesel, Steel, 177 ft' - the basic Army 176-ft steel FS type built at 11 yards1 ship
Cape Ducato1 ship
Capella1 ship
Carronade (one-off design; SCB 37)1 ship
Cascade class (single-ship class; Maritime Commission design C3-S1-N2 - destroyer-tender conversion of the C3-S-A2 cargo hull)1 ship
Catlin (single-ship class, AP-19) - converted 1908 North German Lloyd passenger liner1 ship
Cedar Creek class (T-AO-138 class table incl. T-AO-153-164 per Shipscribe); Type T2-SE-A1 tanker. NavSource labels the T-AO-153-164 group 'Cumberland class'1 ship
Champion (NAVSEA: Gus W Darnell)1 ship
Champion class (T-5)1 ship
Chanticleer class (ASR; wartime submarine rescue ship design, Savannah Machine & Foundry hull)1 ship
Chanticleer class (Navy design ASR-7)1 ship
Chanticleer class (Navy design ASR-7; FY1944 program hull)1 ship
Chanticleer-class submarine rescue ship1 ship
Charger-class (sole member per USN/NavSource; sisters in RN service: HMS Avenger, Biter, Dasher - see gaps for classification variance)1 ship
Charles F. Adams-class (DDG-2 class)1 ship
Chi Yang1 ship
Chicago class (unique protected cruiser; largest of the 'ABCD' New Navy ships)1 ship
Chicago-class (protected cruiser; sole class listing)1 ship
Chih Yang1 ship
Chimo*-class minelayer hull (per Wikipedia infobox; source states it — retained as built-type, not asserted as a USCG class).1 ship
Cimarron class (AO-177 class; SAIP Project 739.75 design per Shipscribe); fourth of five hulls; jumboized configuration after 1991 conversion1 ship
Cimarron class (AO-177 class; SAIP Project 739.75); AO-177 (Jumbo) configuration after 1990 conversion1 ship
Cimarron class (AO-177 class; SCB 379 type per Jane's; SAIP Project 739.75 design per Shipscribe)1 ship
Cimarron class (AO-177); SAIP Project 739.75 design; jumboized 1990-19911 ship
Cimarron-class fleet oiler (AO-177 class)1 ship
Clemson-class1 ship
Clemson-class destroyer (DD-275)1 ship
Cleveland (LPD-4 family per NVR class code; corrected from task-brief 'Austin-class')1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-22)1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-23)1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-24)1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-25)1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-26)1 ship
Cleveland-class (ordered; hull completed as Independence-class light carrier CVL-30)1 ship
Cleveland-class light cruiser (CL); converted to Galveston-class guided-missile light cruiser (CLG-4), later CG-41 ship
Coastal minesweeper (AMc) fishing-vessel conversion; 'Egret class' label used in secondary compilations - no class assigned in DANFS/NHHC1 ship
Coastal minesweeper (AMc) fishing-vessel conversion; 'Killdeer class' label used by NavSource - no class assigned in DANFS/NHHC1 ship
Coastal patrol yacht (converted private yacht)1 ship
Cohocton-class fleet oiler (lead and only ship completed; Maritime Commission T2-SE-A3 tanker)1 ship
Cohoes class (AN-78 through AN-92)1 ship
Colony1 ship
Command Range Tracker1 ship
Compass Island class1 ship
Compass Island class (sole ship); Maritime Commission C4-S-1a Mariner-type hull1 ship
Conanicut-class yard ferryboat1 ship
Conecuh (single-ship class, SCB Project No. 50 AOR conversion); built as lead ship of the Dithmarschen class (German Navy)1 ship
Converted coastal patrol yacht1 ship
Converted coastal patrol yacht (PYc) - individual design, no class1 ship
Converted fishing-vessel coastal minesweeper (NavSource: "Nightingale" class; AMc-149 group converted from commercial draggers/purse seiners); redesignated unclassified miscellaneous auxiliary IX-177 on 1944-07-101 ship
Converted private yacht1 ship
Converted yacht1 ship
Converted yacht (acquired-yacht PC patrol group; not a PC-461-class hull)1 ship
Converted yacht (coastal patrol)1 ship
Converted yacht - single-ship conversion (steam yacht Enaj IV, Lawley 1923). NOT a PC-461-class submarine chaser: PC-458 sits below the PC-461 class block and belongs to the converted-yacht PYc family (PYc-46 to PYc-50 ex-PC-454/455/456/458/460).1 ship
converted yacht / patrol yacht1 ship
Converted yacht / patrol yacht; DANFS does not identify a class.1 ship
Converted yacht; no class designation established1 ship
Converted-vessel coastal minesweeper (AMc) - the commercial-fishing-vessel conversion group, not the purpose-built Accentor/Acme class (AMc-36+); reclassified IX-176 unclassified miscellaneous auxiliary (sound barge, training ship) 1944; wood hull per Ships' Data 1945 footnote1 ship
Converted-yacht PY/PYc patrol program ('gemstone fleet' - acquired pleasure yachts renamed for gems); unique hull, not a designed class; eight sister yachts also Krupp Germaniawerft-built1 ship
Cosmos-class 100-foot inland (bay and sound) buoy tender - USCG design; one of seven built by Dubuque Boat & Boiler Works, Dubuque IA; eighth sister Bluebell (WLI-313) built by Birchfield Boiler, Inc., Tacoma WA1 ship
CPL Louis J. Hauge Jr. class maritime prepositioning ship (5 ships, AK-3000 through AK-3004; commercial ConRo hulls jumboized and converted for the MSC Prepositioning Program). Spellings vary by source: 'Hauge' (correct) vs 'Hague' (NHHC/NavSource variant).1 ship
Cpl. Louis J. Hauge Jr. class (T-AK-3000 class Maritime Prepositioning Ship; five converted Maersk E-class partial containerships, all named for Marine Corps Medal of Honor recipients)1 ship
Crater (AK-70)1 ship
Crater (EC2-S-C1 Liberty-type hull, MCE 439)1 ship
Crater (EC2-S-C1 Liberty-type hull, MCE 453)1 ship
Crater (EC2-S-C1 Liberty-type hull, MCE 633)1 ship
Crater class (AK); hull type EC2-S-C1 (Liberty ship)1 ship
Crater class (AK); Maritime Commission type EC2-S-C11 ship
Crater class (AK-70) - Navy cargo-ship conversions of MC EC2-S-C1 Liberty hulls1 ship
Crater class (EC2-S-C1 Liberty hull basis)1 ship
Crater class (EC2-S-C1 Liberty hull, Navy cargo-ship conversion)1 ship
Crater class (EC2-S-C1 Liberty-type hull)1 ship
Crater class (MC type EC2-S-C1 Liberty hull)1 ship
Crater class (Navy cargo-ship conversion of EC2-S-C1 / Liberty ship design)1 ship
Crater-class (EC2-S-C1 Liberty-hull conversion)1 ship
Crater-class (Navy AK conversion of EC2-S-C1 Liberty hull)1 ship
Crater-class cargo ship (EC2-S-C1 Liberty hull, MCE 1963)1 ship
Cumberland-class training ship (Training Ship No. 1; one-off pair with sister bark Intrepid, Training Ship No. 2)1 ship
Cygnus class (AF-23); ex-United Fruit refrigerated cargo ship SS La Perla (launched 1924, completed 1925); one of three small reefers acquired under the July 1942 CNO directive that became AF-23/24/251 ship
Darter (single-boat class; post-war ASW design similar to Tang, SS-563)1 ship
Delphinus class (AF-24); ex-United Fruit refrigerated cargo ship SS San Mateo (launched 1915); one of three small reefers acquired under the July 1942 CNO directive that became AF-23/24/251 ship
Delta class (AR-9); Maritime Commission type C3-design cargo hull (Matson C3 type, built privately outside the MC program per shipscribe class notes)1 ship
Denebola class1 ship
Denebola class (AF-56; VC2-S-AP3 hull converted under SCB Project No. 57)1 ship
Denver-class (protected cruiser / 'peace cruiser'; six ships: Denver, Des Moines, Chattanooga, Galveston, Tacoma, Cleveland)1 ship
Design 1024 (EFC Hog Island Type B troop transport); DANFS class field: Argonne1 ship
Design 1027 cargo ship1 ship
Design 10411 ship
District patrol craft (converted steel diesel yacht; coastal patrol yacht designation PYc)1 ship
District patrol craft (converted yacht)1 ship
Dithmarschen1 ship
Dobbin1 ship
Dobbin class (AD-3; sister ship USS Whitney AD-4)1 ship
Dolphin class (single-ship class; unique SCB 207 deep-diving research submarine - NOT the V-boat Dolphin class of SS-169)1 ship
Dolphin class (single-ship class; V-boat series, ordered as V-7)1 ship
Dubuque1 ship
Dubuque class1 ship
Dubuque class (two ships: Dubuque, Gunboat No. 17 / PG-17; Paducah, Gunboat No. 18 / PG-18); designed 1903 for Caribbean survey and patrol duty; composite construction, steel above waterline and wood below (secondary literature)1 ship
Dubuque class gunboat (2 ships: Dubuque, Gunboat No. 17/PG-17; Paducah, Gunboat No. 18/PG-18); steel-hulled steam gunboats of the early-1900s 'New Navy' (class attribution per NavSource/secondary literature)1 ship
E. A. Poe1 ship
Eagle class (single-hull class per NavSource AM index - AM-132 sits alone between the Auk and Hawk classes; converted 1938 steel-hull fishing trawler)1 ship
EC2-S-C1 (Liberty ship) hull; sole Liberty-hull unit in the Navy APB series (shipscribe treats her as a single-member 'DuPage class')1 ship
EC2-S-C1 (Liberty ship); grouped with the E. A. Poe (IX-103) class of damaged-Liberty storage conversions in Ships' Data reconstructions1 ship
EC2-S-C1 (Liberty ship; class identification not verified from a ship-specific primary record in this research)1 ship
EC2-S-C1 (MARAD type)1 ship
Edenton class (U.S. Navy SCB/SAIP Project 719 design; three ships built, ATS-1 through ATS-3)1 ship
Edsall-class1 ship
EFC Design 1001 ('Ferris'-type wooden freighter); shipscribe groups her with USS Briarcliff (IX-3) as the two EFC Design 1001 hulls acquired for naval-militia use1 ship
EFC Design 1027 ('Oscar Daniels' type) standard steel cargo ship - one of 10 built, EFC contract hulls 739-748; converted to Navy barracks ship 19441 ship
EFC Design 1027 (Oscar Daniels type) cargo motorship; Navy Ocelot (IX-110) class floating-barracks conversion1 ship
EFC Design 1044 'Laker' type (Shipscribe class head: ARIES; same-design sister GEMINI AK-52/AP-75)1 ship
EFC Design 1046 (Emergency Fleet Corporation standard freighter; MARAD catalogs type 'USSB 1031'). NOT Arcturus class - the verification list's 'Arcturus' class label for this hull is a list artifact; the Arcturus class is the unrelated Sun/Tampa-built AKA group (AKA-1 through AKA-14 et al.).1 ship
EFC Design 1094 freighter (Bethlehem design; EFC Contract 315, hulls 1975-1981)1 ship
EFC Design 1095 ('502 class') - sole Navy transport conversion of the seven-hull class (Kenmore AP-62 class of one)1 ship
EFC Design 1095 ('502 class'), New York Shipbuilding hull 250; HyperWar lists 'Refuge class' hospital ship; conversion-program mates USS Bountiful (AH-9, ex-Henderson AP-1) and USS Samaritan (AH-10, ex-Chaumont AP-5)1 ship
EFC Design 1099-A (USSB hull 771; WWI standard Great Lakes freighter design)1 ship
Elizabeth C. Stanton class (NavSource/Wikipedia grouping); Maritime Commission C3-E design, MC hull 43 - Shipscribe catalogs AP-76 as its own class; discrepancy flagged in gaps1 ship
Elizabeth C. Stanton class (USMC type C3-Cargo per DANFS; class membership carried per NavSource - four ships: AP-69, AP-70, AP-71, AP-76)1 ship
Eltanin class (MARAD design C1-ME2-13a ice-strengthened small cargo ship); sisters USNS Mirfak (T-AK-271) and USNS Mizar (T-AK-272, later T-AGOR-11)1 ship
Emory S. Land class (L. Y. Spear-class derivative; Navy fact file groups AS-39/AS-40 under L. Y. Spear class)1 ship
Enceladus-class (MC design N3-M-A1)1 ship
Enterprise-class (unique; sole ship)1 ship
Erie-class gunboat1 ship
Essex-class (lead ship)1 ship
EUROPA (AP-177) - single-ship class, passenger design 1928; sister ship SS Bremen1 ship
Euryale (single-ship class; unique conversion of a Matson C3-type cargo liner)1 ship
Ex-Italian tanker floating-storage group (Navy IX-131 through IX-145 acquisition program); one-off hull characteristics, no standard design class1 ship
ex-Italian tanker group (IX-132 through IX-145 cohort); 'Manileno class mobile station tanker' per NavSource labeling1 ship
Ex-Italian tanker group, IX-132 through IX-145 (NavSource labels it 'Villalobos class mobile station tanker'); eight elderly tankers taken as floating oil storage for Pacific advanced bases1 ship
Ex-Italian/ex-merchant station-tanker group, IX-131-145 acquisition block (Shipscribe grouping); styled 'Quiros class mobile station tanker' by NavSource1 ship
Experimental PC-451/452 submarine-chaser prototype; precursor design to the later 173-foot PC submarine-chaser program1 ship
Fabius class (ARVA-5/6; two-ship class of LST-542-design aircraft repair conversions)1 ship
Fargo-class1 ship
Fargo-class (modified Cleveland design)1 ship
Flagstaff - single-ship class; experimental patrol gunboat (hydrofoil). One of two competing FY66 (SCB 252) prototypes: Grumman's Flagstaff (PGH-1, airplane foil configuration, geared propeller) vs Boeing's Tucumcari (PGH-2, canard configuration, water-jets). A follow-on class of ~34 hydrofoils was once planned; technology fed the Boeing PHM (Pegasus class) program.1 ship
Flambeau (per DANFS class designator 'cl. Flambeau'; the IX mobile floating fuel-storage conversions)1 ship
Flicker1 ship
Forrestal1 ship
Fortune1 ship
Fulton (AS-1) - single-ship design; the Navy's first purpose-built submarine tender1 ship
Fulton-class submarine tender1 ship
Gearing (lead ship of class)1 ship
Gen. John Pope1 ship
General John Pope class1 ship
General John Pope class (AP-110 class); MC design P2-S2-R21 ship
General John Pope class (Maritime Commission type P2-S2-R2) troop transport; sisters include General John Pope (AP-110), General W. H. Gordon (AP-117), General W. P. Richardson (AP-118)1 ship
General John Pope-class (Maritime Commission design P2-S2-R2; hull begun to commercial variant P2-S2-R4)1 ship
General John Pope-class transport (Maritime Commission type P2-S2-R2)1 ship
George F. Elliott (per DANFS class note); Maritime Commission type C3-P&C 'Delta type'1 ship
George Washington class (lead ship; converted from a Skipjack-class hull laid down as Scorpion SSN-589)1 ship
George Washington class (third of five; Skipjack-derived hull with inserted missile compartment)1 ship
Gettysburg1 ship
Glacier (single-ship class; design derived in part from the Wind class)1 ship
Glenard P. Lipscomb class (unique, single-hull design; Sturgeon-class-derived hull with turbo-electric drive)1 ship
Glover1 ship
Goldfinch1 ship
Goshawk1 ship
Grackle1 ship
Greenville1 ship
Greenville Victory class (cargo ship, AK-257 series); Antares class (general stores issue ship); Maritime Commission type VC2-S-AP31 ship
Greenville Victory-class cargo ship (DANFS/NavSource class framing); shipscribe treats the four VC2-S-AP3 SCB-86 conversions AK-257-260 as the ALCOR class1 ship
GREYHOUND (IX-106) - one-ship class (Shipscribe); ex-S.S. Yale, designed Denny & Bros. coastal passenger liner 1907; sister ship S.S. Harvard (USS Charles ID-1298, wrecked 1931)1 ship
Gridley1 ship
Grommet Reefer class (one ship; USMC type C1-M-AV1 built, converted to refrigerated R1-M-AV3 in 1945)1 ship
Guardian class (AGR); converted Maritime Commission Z-EC2-S-C5 hull1 ship
Guardian class (AGR); converted Maritime Commission Z-EC2-S-C5 hull (SCB Project 126)1 ship
Guardian class (converted Liberty ship, MC type Z-EC2-S-C5)1 ship
Guardian class (radar picket conversion of Z-EC2-S-C5 Liberty hull)1 ship
Guardian class (YAGR/AGR); built as Z-EC2-S-C5 'boxed aircraft transport' Liberty-ship variant1 ship
Guardian class radar picket ship (YAGR/AGR 1-16; SCB Project No. 126 conversion of Maritime Commission Z-EC2-S-C5 boxed aircraft transports - all 16 hulls built by J.A. Jones, Panama City; EC2-S-C1 family hull form)1 ship
Guardian-class radar picket ship (converted Liberty ship, type Z-EC2-S-C5 boxed aircraft transport)1 ship
Guardian-class radar picket ship (converted Liberty ship; hull type Z-EC2-S-C5 boxed aircraft transport)1 ship
Gull1 ship
Gyre class (AGOR-21 class; SCB Project No. 734.71; two ships built)1 ship
Halawa class (administrative grouping, AOG-12 through AOG-16: five dissimilar small commercial coastal-tanker conversions, not a common design)1 ship
Halawa-class gasoline tanker (one-ship class; ex-merchant MV Blue Sunoco, a special-design 1929 Sun Oil coastal/canal motor tanker)1 ship
Hamul class (AD-20 Hamul and AD-21 Markab; both converted MC C3 cargo hulls). ShipScribe heads the class 'MARKAB (AD-21)'; DANFS gives 'cl. Hamul'1 ship
Hamul-class destroyer tender (2 ships: Hamul AD-20, Markab AD-21; both converted Maritime Commission C3-Cargo hulls, ex AK-30/AK-31)1 ship
Hamul-class destroyer tender (2 ships: Hamul AD-20, Markab AD-21; both converted MC C3-Cargo hulls, ex AK-30/AK-31). DANFS gives 'cl. Hamul'; shipscribe heads the class 'MARKAB (AD-21)' - heading variance noted1 ship
Hannibal (unique - converted British merchant steamer; Cargo design, 1898; no sister ship in Navy service - fleet mate USS Leonidas, AD-7, ex-Elizabeth Holland, was a different builder's design)1 ship
Harris-class attack transport (APA); EFC Design 1029 '535' type1 ship
Hartford-class screw sloop-of-war (name ship; sisters: Brooklyn, Lancaster, Pensacola, Richmond)1 ship
Haskell class (VC2-S-AP5)1 ship
Hayes class (single-ship class; SCB Project No. 726.67)1 ship
Henderson (AP-1) - unique Navy-designed transport (Transport No. 1; no sister ships built, per Shipscribe design history); HyperWar lists 'Bountiful class' hospital ship for AH-9; conversion-program mates USS Samaritan (AH-10, ex-Chaumont AP-5) and USS Refuge (AH-11, ex-Kenmore AP-62)1 ship
Henry J. Kaiser1 ship
Hercules class (AK-41); MC design C3-E1 ship
Hermitage1 ship
High Point class - one-off experimental patrol craft hydrofoil (PCH), designed under SCB project 202 (design begun April 1958) for ASW evaluation; sole unit. Distinct from the six-ship Boeing Pegasus class (PHM) it preceded, and from the gunboat hydrofoils Tucumcari (PGH-2) and Flagstaff (PGH-1) and the research hydrofoil Plainview (AGEH-1).1 ship
Hog Island Type A / USSB Design 1022; Antares class (as AG-11)1 ship
Hunley1 ship
Hunley class (AS-31 class, two ships: Hunley AS-31 and Holland AS-32)1 ship
Hunley-class submarine tender1 ship
Illinois-class1 ship
Independence1 ship
Independence-class (CVL; converted while building from Cleveland-class cruiser hull Newark CL-100)1 ship
Indiana1 ship
Indiana-class1 ship
Individual acquired freight lighter1 ship
individual converted yacht (not a standardized Navy class)1 ship
Individual ferryboat; no class designation located1 ship
individual yard ferryboat (former Army tug)1 ship
Indus class (MC EC2-S-C1 Liberty-ship conversion)1 ship
Iris ('C') class, U.S. Coast Guard 180' seagoing buoy tender (HAER DC-57/DC-60); single-ship 'Redbud class' light cargo ship in Navy use (shipscribe class header)1 ship
Iwo Jima-class1 ship
IX-82 through IX-90 acquired-yacht group - nine yachts requisition-purchased for the Navy under a 21 Jul 1942 CNO directive via WSA/BuShips for delivery to Com-7; Romain was a one-off John G. Alden-designed wooden schooner within that acquisition group (no sister hulls)1 ship
James Madison class (lead ship; originally grouped with Lafayette class in DANFS spec block)1 ship
Jamestown (AGP-3) class - single-unit converted yacht; one of three converted yachts (with Niagara AGP-1 and Hilo AGP-2) reclassified from PG to AGP on 1943-01-131 ship
John C. Butler-class1 ship
Jonah E. Kelley-class coastal transport (DANFS spelling; NavSource renders 'Sgt. Jonah E. Kelly'); built to Maritime Commission type C1-M-AV11 ship
Kaloli (AOG-13) - single-ship class per shipscribe/NavSource; grouped with Halawa (AOG-12) as 'Halawa class' in some compilations1 ship
Kaula class miscellaneous auxiliary (one-off merchant conversion)1 ship
Kaweah class (AO)1 ship
Kearsarge-class (lead ship; sister USS Kentucky BB-6)1 ship
KENT (AP-28) class in the compiled Navy register - covers AP-28 and AP-36 (IRWIN), but AP-36 was never Navy-manned and its hull number was listed 'not used'; merchant design: Grace Line's 1916 five-ship order (three Cramp-built, two New York Shipbuilding-built)1 ship
Kenwood1 ship
Kenwood class (IX-179); EFC Design 1045 tanker, 1916 (431-ft Quincy/Bethlehem-Fore River series; NavSource's 'design 1047' label rejected - that number belongs to the 453-ft Union Iron Works design)1 ship
Keokuk1 ship
Kilauea class (AE-26)1 ship
Kitty Hawk class1 ship
Kitty Hawk-class (modified)1 ship
Kopara (AG-50); one-ship class per ShipScribe compilation1 ship
Kopara class miscellaneous auxiliary (one-off merchant conversion)1 ship
L. Y. Spear class (NVR class code AS 36); second of two ships1 ship
L. Y. Spear-class1 ship
La Salle class (AP-102, 166-170, 173) - MC design C2-S-B11 ship
Lafayette class (lead ship)1 ship
Lakehurst (single-ship) mechanized artillery transport; built as Seatrain railcar carrier - grouped by NavSource with Kitty Hawk-class aviation transports (APV-1/2)1 ship
Langley (sole member; converted collier)1 ship
LCI-3511 ship
LCI-351-class Landing Craft Infantry (class association pending primary verification for this hull)1 ship
LCS(L)(3)-1-class1 ship
LCU-1610 class (Landing Craft, Utility)1 ship
lead ship of the *Osage*-class vehicle landing ship (stated by DANFS: "cl. Osage")1 ship
Lejeune class - unique single-ship conversion (ex-German liner Windhuk; sister ship Pretoria remained German)1 ship
Lewis1 ship
Long Beach (one-off nuclear cruiser)1 ship
Long Island-class1 ship
Los Angeles1 ship
Los Angeles (Flight I; 13th of class)1 ship
Los Angeles (Flight I; 14th of class)1 ship
Los Angeles (Flight I; 15th of class)1 ship
Los Angeles (Flight I; 16th of class)1 ship
Los Angeles (Flight I; 17th of class)1 ship
Los Angeles (Flight I; 18th of class)1 ship
Los Angeles (Flight I; 19th of class)1 ship
Los Angeles (Flight I; 20th of class)1 ship
Los Angeles (Flight I; 21st of class)1 ship
Los Angeles (Flight I; 22nd of class)1 ship
Los Angeles (Flight I; 23rd of class)1 ship
Los Angeles (Flight I; 24th of class; sixth built at Newport News)1 ship
Los Angeles (Flight I; 25th of class)1 ship
Los Angeles (Flight I; 26th of class)1 ship
Los Angeles (SSN-688) class, Flight I - lead ship1 ship
Los Angeles class (first VLS-equipped boat - 12-cell Tomahawk VLS from SSN-719 onward; flight designation inconsistent across sources, see gaps)1 ship
Los Angeles class (Flight II, VLS-equipped; SSN-719-750 block - 35th class unit per ship's CORs)1 ship
LSM-1 class (per supplied batch premise; independent class-source verification remains a gap)1 ship
LSM-1 class conversion (FY 1953 group numbered MMC-6–9 before FY 1951 group).1 ship
LSM-1 class conversion (same grouping notes as MMC-13 above).1 ship
LSM-1 class conversion. The "MMC 6-14 ex-LSM" group is sometimes given as1 ship
LSMR-4011 ship
LST-1 class1 ship
LST-1 class tank landing ship1 ship
LST-1 class tank landing ship (BuShips design group LST1-490; LST Mk.2 type); redesignated Landing Ship Tank (Hospital) LST(H)-121, 15 September 19451 ship
LST-1 class tank landing ship (BuShips design group LST1-490; LST Mk.2 type); redesignated Landing Ship Tank (Hospital) LST(H)-268, 15 September 19451 ship
LST-1 class tank landing ship (BuShips design group LST1-490; LST Mk.2 type); redesignated Landing Ship Tank (Hospital) LST(H)-38, 15 September 19451 ship
LST-1 class tank landing ship (LST1-490 BuShips design group); redesignated Landing Ship Tank (Hospital) LST(H)-118 on 15 September 19451 ship
LST-1 class tank landing ship (LST1-490 BuShips design group); redesignated Landing Ship Tank (Hospital) LST(H)-41 on 15 September 19451 ship
LST-1 class tank landing ship (LST1-490 design group per BuShips Ships' Data 1945 v2); WWII mass-production 'LST (Mk 2)' type; hospital conversion LST(H) 1945-19521 ship
LST-1-class tank landing ship (BuShips design group LST1-490; Chicago Bridge & Iron, Seneca IL 'Prairie Shipyard' block)1 ship
LST-1-class tank landing ship (BuShips LST1-490 design group, 1945)1 ship
LST-1-class tank landing ship (reclassified unclassified miscellaneous IX-511)1 ship
LST-1-class tank landing ship (USMC type S3-M-K2, MC hull 1002)1 ship
LST-491-class (lead ship; BuShips design group LST491-541)1 ship
LST-491-class tank landing ship (NavSource and standard references; DANFS entry header groups under class 'LST-1')1 ship
LST-542 class (hull as built); APB-41-group barracks-ship conversion pattern1 ship
LST-542 class tank landing ship (BuShips LST542-931 design group); hospital conversion LST(H) from 19451 ship
LST-542 class tank landing ship (diesel); LST932-979 engine-variant block per BuShips Ships' Data Book 1945 v2; held the LST(H) casualty-evacuation/hospital designation operationally from January 1945 (ship's war diary) and formally from 15 September 19451 ship
LST-542 class tank landing ship (diesel; LST542-931 BuShips design group); held the LST(H) hospital designation 15 Sep 1945 - 6 Mar 19521 ship
LST-542 class tank landing ship (LST-1-class design series; BuShips Ships' Data 1945 v2 design group LST542-931)1 ship
LST-542-class tank landing ship (BuShips design group LST542-931; later-war variant of the LST-1/491/542 design series) - hospital designation LST(H) from 15 Sep 19451 ship
LST-542-class tank landing ship (BuShips SD-1945 design group: LST-932-979 block)1 ship
LST-542-class tank landing ship (BuShips SD-1945 v2 LST542-931 design group); hospital-variant designation LST(H) from 15 September 19451 ship
LST-542-class tank landing ship (BuShips Ships' Data 1945 v2 design block LST-542-931); class profile lst-1-class (LST-1/491/542 design series)1 ship
LST-542-class tank landing ship (LST-932-979 engine-variant block per BuShips SD-1945 v2)1 ship
LST-542-class tank landing ship (LST542-931 design group per BuShips Ships' Data 1945 v2); WWII mass-production 'LST (Mk 2)' type; hospital designation LST(H) 1945-1952; Indonesian Teluk Langsa-class framing post-19611 ship
LST-542-class tank landing ship (within the 1,152-hull LST-1/491/542 design series; BuShips build block LST-932-979, Bethlehem-Hingham group)1 ship
MALANAO (AG-44) - single-ship class per Ships' Data listing; commercial passenger-cargo ('steam schooner') design of 1912, one of five West Coast lumber schooners acquired as AG 42-461 ship
Manasquan class (AG-36 class): Manasquan (AG-36), Menemsha (AG-39), Monomoy (AG-40) - Navy-owned Laker freighters loaned to the Coast Guard as North Atlantic weather ships1 ship
Manzanita1 ship
MARAD type C2-S-B1 refrigerated cargo design; secondary sources variously group her with the Alstede class (R2-S-BV1) or treat her as a one-off Sirius class - see correction evidence row1 ship
Maricopa1 ship
Maricopa class (Chilean Navy identification)1 ship
Marine Adder class; C4-S-A31 ship
Mariner1 ship
Maritime Commission type C1-M-AV1 (Alamosa-class design family; projected as AK-220 Wexford, never Navy-acquired). Range service: one of six C1-M-AV1 'Cimavi' ocean range vessels1 ship
Mariveles1 ship
Mariveles class (shipscribe): two EFC Design 1059 tankers - IX-197 Mariveles and IX-213 Serapis1 ship
Mars class1 ship
Maumee class (T-AO-149 class)1 ship
MC type C3-E (eight-hull American Export Lines private design; Navy-listed single-ship 'Dorothea L. Dix class' transport)1 ship
Medusa class (single-ship class; Navy AR-1 design) - the U.S. Navy's first purpose-built repair ship1 ship
Mercury1 ship
Mercury class (AKS); Maritime Commission type C2-Cargo (MC hull 16)1 ship
Miami1 ship
Michigan (one-off; DANFS lists class 'Michigan'); unclassified miscellaneous auxiliary (IX) from 19201 ship
Midnight-class concrete barge, Maritime Commission type B7-D1 (DANFS stats line and NavSource label 'Midnight'; 'Trefoil-class' in secondary sources - lead ship IX-149 was renamed Trefoil from Midnight in June 1944)1 ship
Missile range instrumentation ship (one-off converted T2 tanker; no formal class)1 ship
Missile range instrumentation ship (one-off; no formal ship class)1 ship
Mission Buenaventura (lead ship; DANFS header: "cl. Mission Buenaventura; T. T2-SE-A2")1 ship
Mission Buenaventura class1 ship
Mission Buenaventura class (T-AO-111 class; MC type T2-SE-A2)1 ship
Mission Buenaventura class fleet oiler (USMC type designation disputed for this hull: T2-SE-A2 per DANFS spec block/MARAD/NavSource; T2-SE-A3 ordered per shipscribe/aukevisser/shipbuildinghistory - ordered as Navy A3 Concho AO-102, completed as A2 merchant type after the 18 Aug 1945 cancellation)1 ship
Mission Buenaventura class fleet oiler (USMC type designation disputed for this hull: T2-SE-A2 per DANFS/MARAD/NavSource; T2-SE-A3 per shipscribe/aukevisser/shipbuildinghistory - ordered as Navy A3 Conecuh AO-103, completed for the MC)1 ship
Mission Buenaventura class fleet oiler (USMC type T2-SE-A2); Seatrain Lines combination railcar/container/vehicle carrier after 1966-67 conversion1 ship
Mission Buenaventura class fleet oiler (USMC type T2-SE-A2); Seatrain Lines multi-purpose cargo ship (container/vehicle/rail carrier) after 1966-67 Newport News conversion1 ship
Mission Buenaventura class fleet oiler (USMC type T2-SE-A2); Vanguard class (T-AGM-19) missile range instrumentation ship after 1964-65 conversion1 ship
Mission Buenaventura-class fleet oiler (USMC type T2-SE-A2)1 ship
Mississippi-class1 ship
Mobile floating fuel storage ship / station tanker - one of four elderly tankers (IX-184 through IX-187) acquired under the Auxiliary Vessels Board recommendation of 1944-08-12 for Service Force, Seventh Fleet SWPA shuttle/storage service; NavSource labels the grouping 'Belusan class' (companion records use 'Abarenda (IX-131) class'); no official Navy class assigned1 ship
modified YP-258 class / coastal patrol yacht1 ship
Monadnock class coastal minelayer (CMc-4 class; two converted Philadelphia & Norfolk Steamship Co. coasters: Monadnock ex-Cavalier, Miantonomah ex-Quaker)1 ship
MONOB I (YAG-61) class - one-off conversion; hull design 'Navy YW 83' self-propelled water barge1 ship
MSI-1 / Herstal-class inshore minesweeper1 ship
N3-M-A1 (MARAD type)1 ship
Narwhal class (unique, single-hull design; S5G natural-circulation reactor prototype; DANFS-derived spec block lists 'cl. Sturgeon' - see ev-03 correction)1 ship
Narwhal class (V-boat 'cruiser submarine'; originally V-6/SF-9, SC-2)1 ship
Narwhal class (V-boat series, V-5; sister USS Nautilus SS-168; near-sister USS Argonaut V-4/SM-1/SS-166)1 ship
Natick-class district harbor tug, large (YTB)1 ship
Nautilus class (one-off; first nuclear-powered submarine)1 ship
Neptune1 ship
Neptune-class1 ship
New England (AD-32) - one-off modified Dixie (AD-14)-derivative Navy design per shipscribe ('Class: NEW ENGLAND (AD-32), Design: Navy AD-32'); class assignment varies by compilation - 'Dixie-class'/'modified Dixie' (Wikipedia), 'Shenandoah class' (uboat.net), 'New England' (project verification list) - see correction row ev-061 ship
New York City municipal ferryboat - Category B vessel ('151-foot class' per secondary fleet lists); named for Manhattan neighborhoods1 ship
New York class (single-ship armored cruiser; succeeded by USS Brooklyn ACR-3)1 ship
Newport class (lead ship; LST-1179 class - 20 ships, LST-1179 through LST-1198, built 1966-1972 at Philadelphia Naval Shipyard and National Steel & Shipbuilding Co.)1 ship
Newport class (LST-1179 class)1 ship
Newport class (LST-1179 class) - eighth of twenty ships; the class replaced the traditional bow-door LST design with a pointed bow and a 112-ft bow ramp supported by two derrick arms1 ship
Newport class (LST-1179 class) tank landing ship1 ship
Newport class (LST-1179 class) tank landing ship; 20 ships LST-1179 through LST-1198; Manitowoc is the second; diesel-powered, bow-ramp/derrick-arm design replacing bow-door LSTs, with stern gate and helicopter deck (class context, DANFS spec block + NavSource class description)1 ship
Newport class (LST-1179 class) tank landing ship; ninth of 20 ships1 ship
Newport class (LST-1179) tank landing ship - fourth of twenty1 ship
Newport class — stated by source (not inferred).1 ship
Newport-class1 ship
Newport-class (LST-1179 class)1 ship
Newport-class tank landing ship (10th of class)1 ship
Newport-class tank landing ship (11th of class)1 ship
Newport-class tank landing ship (12th of class)1 ship
Newport-class tank landing ship (13th of class)1 ship
Newport-class tank landing ship (14th of class)1 ship
Newport-class tank landing ship (15th of class)1 ship
Nipsic class (wooden screw gunboat)1 ship
Nitro class (AE-23/24/25); DANFS spec block anomaly classes AE-24 'Suribachi' - see correction row1 ship
Nitro class (AE-23/24/25; DANFS spec block 'NITRO'). The ship-design compilation treats all five SCB Project 114 hulls (AE 21-25) as a single Suribachi class; modern convention splits Suribachi (AE 21-22) from Nitro (AE 23-25) - naming discrepancy flagged in gaps1 ship
Nitro class (AE-23/24/25; Naval Vessel Register classifies 'AE 23'; DANFS spec block 'Suribachi'). The ship-design compilation treats all five SCB Project 114 hulls (AE 21-25) as a single Suribachi class; modern convention splits Suribachi (AE 21-22) from Nitro (AE 23-25) - naming discrepancy flagged in gaps1 ship
No class - individual acquisition of a commercial excursion ferry (ex-Pinellas, ex-Wilmington); grouped administratively with the WWII yard-ferryboat (YFB) acquisition wave1 ship
No class - individually acquired commercial ferryboat1 ship
No class established from the retrieved official records1 ship
No formal class - fleet collier sharing one hull design with Cyclops (Fleet Collier No. 4) and Neptune (No. 8) but with three different propulsion plants; listed separately by Shipscribe1 ship
No formal class - individual WWII yacht acquisition classified Patrol Yacht, Coastal (PYc-38)1 ship
No formal class - one of 15 old merchant tankers designated IX-131 through IX-145 for floating fuel storage at advanced Pacific bases (Auxiliary Vessels Board recommendation 1943-10-12); NavSource styles the singleton 'Octorara Class Mobile Station Tanker'1 ship
No formal class - one of nine yachts requisitioned Jul-Aug 1942 and designated IX-82 through IX-90 (Shipscribe grouping 'Small IX: Auxiliary Schooners etc.')1 ship
No formal class - one of six heterogeneous yachts acquired and converted to patrol gunboats in 1942: PG-56 ex-Aras (USS Williamsburg), PG-57 ex-Alva (USS Plymouth), PG-58 ex-Caroline (USS Hilo), PG-59 ex-Vanda (USS San Bernardino), PG-60 ex-Reveler/Chalena/Carola (USS Beaumont), PG-61 ex-Delphine (USS Dauntless); builders Bath Iron Works (PG-56/-58/-59), Krupp Germaniawerft (PG-57/-60), Great Lakes Engineering Works (PG-61)1 ship
No formal class - single-hull 'Clyde class mobile station tanker' (NavSource label); acquired under the Navy's IX-131 to IX-145 ex-Italian/elderly-tanker floating-storage program (Shipscribe 'Ex-Italian Tankers' group); built as a WWI British 'Z'-type standard tanker1 ship
No formal class - WWII patrol yachts (PY) were acquired private yachts, a hull designation rather than a designed class. Bath Iron Works yacht contemporaries converted to Navy patrol yachts: Carnelian (PY-19, BIW 137, yacht Seventeen), Tourmaline (PY-20, BIW 135, yacht Sylvia), Rhodolite (PYc-19, BIW 144, yacht Seapine), Olivin (PYc-22, BIW 133, yacht Bidou); Ruby was BIW hull 134, yacht Placida1 ship
No formal Navy class - one-off wartime acquisition (shipscribe labels class 'ESSELEN (AT-147)', design 'Tug, 1896'); the hull was one of Harlan & Hollingsworth's 1896-1912 series of 158-ft seagoing tugs for the Philadelphia & Reading Railroad (sisters incl. Gettysburg, Valley Forge, Conestoga, Monocacy, Lykens - the last three became Navy AT-54/55/56)1 ship
No formal US class - one of eight ex-Italian tankers among the fifteen old WSA tankers designated IX-131 through IX-145 for floating fuel storage at advanced Pacific bases1 ship
No named class - one-off Navy floating crane; sister craft YD-254 (Halter Marine, delivered 1993)1 ship
No Navy class designation under ID-3804; merchant design: Grace Line's 1916 five-ship order for New York to west-coast-of-South-America passenger service (three Cramp-built, two New York Shipbuilding-built). Compiled Navy register groups the hull under KENT (AP-28) class with AP-36 (IRWIN) for the 1941-43 program.1 ship
No official Navy class designation located; individually requisitioned commercial hull, operationally grouped with Aroostook (AOG-14) and Conasauga (AOG-15) under the same March 1943 purchase directive. Secondary labels conflict: 'Guyandot class' (NavSource), single-hull 'Small tanker, 1930' design group (Shipscribe), 'Halawa class' (HyperWar).1 ship
No source found asserting a class name; DANFS/Globalsecurity describe her as one of the "New Six" Yangtze river gunboats. No class asserted in packet (per class-attribution rule)1 ship
no source states a class. She is one of a run of small Cavite-built 71-ft launches (YFB-681 Santa Rita, 682 Rosal, 683 Camia, 684 Dapdap, 685 Rivera, 687 Magdalena, 688 Yacal) — grouping per a single table, not a stated class.1 ship
none (one-off conversion of an 1897 merchant excursion steamer; IX unclassified miscellaneous)1 ship
None (one-off; converted private motor yacht)1 ship
None (one-off; Long Island Sound passenger steamer type, converted)1 ship
None (one-off; New Zealand coastal trading scow type)1 ship
none (single-hull conversion of the 1923 Key System ferry Hayward; sister ferry San Leandro followed the identical path - planned YFB-34 canceled 20 May 1942, acquired as YFB-60 in 1945)1 ship
None (small IX miscellaneous types - shipscribe 'Miscellaneous Types (4)' group with IX-155, IX-199/200/201, IX-205, IX-224, IX-233); ex-fishing dragger, wood hull1 ship
none (unique converted yacht; unclassified miscellaneous IX series)1 ship
none (unique vessel; one-off civilian design - motorized junk yacht)1 ship
none - acquired merchant-type wooden-hulled steam ferryboat (YFB series); built as Casco Bay island steamer Aucocisco, 18971 ship
none - ex-merchant fishing trawler conversion (IX unclassified miscellaneous)1 ship
none - heterogeneous 'ex-Italian tankers' group (IX-131 to IX-145 program of 15 old WSA tankers; no common design)1 ship
none - heterogeneous IX-131 to IX-145 floating-storage-tanker program (15 old WSA tankers; no common design); merchant origin: Arrow-class 485-ft tanker (Bethlehem Quincy 1920-21 series)1 ship
None - one of nine heterogeneous yachts requisition-purchased as the IX 82-90 group for the 7th Naval District; not a design class1 ship
None - one-off acquired auxiliary schooner (shipscribe 'Small IX: Auxiliary Schooners etc.' group, IX-73 through IX-79)1 ship
none - one-off acquired vessel (IX unclassified miscellaneous; shipscribe 'USS Small IX' grouping)1 ship
None - one-off acquired yacht (grouped administratively with the 'Small IX' Naval Academy yachts IX-43/47/48/49, all distinct donated designs)1 ship
None - one-off acquired yacht (IX unclassified miscellaneous); John G. Alden design no. 115; grouped administratively with acquired auxiliary schooners IX-58 through IX-611 ship
none - one-off acquisition (Shipscribe 'Small IX: Miscellaneous Types' grouping IX-68/71/72/80)1 ship
None - one-off conversion; briefly assigned and then cancelled the designation APL-16 in 1943 while still on lend-lease to Britain1 ship
None - one-off conversion; built 1910 as the civilian auxiliary yawl Nurmah (George A. Lawley & Sons, Neponset, Mass.); U.S. Navy unclassified miscellaneous designation IX-851 ship
None - one-off conversion; grouped with sister conversions YP-375/Barcelo (IX-199) and YP-449/Sterling (IX-201)1 ship
none - one-off conversion; Shipscribe treats KITTERY (AK-2) as a single-ship class (ex-HAPAG feeder passenger steamer Praesident, 1905)1 ship
None - one-off converted civilian steam yacht (Ramage and Ferguson yard no. 205). Distinct hull from USS Cythera (PY-31, ex-yacht Abril) - see ev-uss-cythera-py26-11.1 ship
None - one-off converted motor yacht (1915 Robert Jacob Inc. build, City Island). The WWII 'PC' designation covered an ad-hoc fleet of acquired yachts and purpose-built craft; she was not a sistered class hull. Naval-architect design credited to Swasey, Raymond & Page, Boston (secondary; period press).1 ship
None - one-off converted motor yacht (naval architect B. T. Dobson design)1 ship
none - one-off converted steam yacht (Pusey & Jones hull 360; design by Henry J. Gielow, Gielow & Orr)1 ship
None - one-off converted yacht; administratively grouped with the nine requisitioned yachts IX-82 through IX-90 (7th Naval District)1 ship
None - one-off converted yacht; grouped with 'Small IX: Auxiliary Schooners' (IX-73 through IX-79) in the Shipscribe compilation1 ship
None - one-off experimental test craft (unclassified miscellaneous, IX)1 ship
none - one-off hull; administratively grouped with the IX-139-series miscellaneous U.S. tankers in the Shipscribe auxiliary-vessel compilation1 ship
None - one-off motor-yacht conversion (commissioned as PC-456, reclassified coastal patrol yacht PYc-48); not a PC-461-class submarine chaser despite numeric proximity1 ship
none - one-off naval conversion of the 1930 motor yacht Infanta; not a member of a design class (PYc numbers were assigned to individually acquired yachts)1 ship
None - one-off Navy acquisition of the commercial ferry Hudson (yard no. 401, ON 240877); her sister ferry was St. George (yard no. 404, ON 242176), not Navy-acquired1 ship
None - one-off Navy service craft (built as covered lighter YF-268)1 ship
None - one-off wartime acquisition (private motor yacht, Mathis yard no. 179)1 ship
None - one-off wartime conversion of a civilian Grand Cayman-built turtling schooner (Navy tabulations class her as 'Converted Yacht'; civilian record shows a working commercial turtle schooner)1 ship
None - one-off yacht acquisition (acquired yacht, not a designed naval class); sister-type context: yacht Roland von Bremen/Condor acquired same program as USS Wimbee (IX-88)1 ship
None - one-off yacht acquisition; administratively grouped with the Small IX auxiliary-schooner acquisitions IX-65 through IX-70 (Shipscribe 'Small IX (2)' compilation); John G. Alden design no. 0435B1 ship
None - one-off yacht acquisition; administratively grouped with the Small IX auxiliary-schooner/yacht acquisitions IX-82 through IX-90 (Shipscribe 'Small IX: Auxiliary Schooners etc. (4)' compilation), requisition-purchased under one 1942-07-21 CNO request for the 7th Naval District; designed by George Owen1 ship
None - one-off yacht acquisition; administratively grouped with the Small IX auxiliary-schooner/yacht acquisitions IX-82 through IX-90 (Shipscribe 'Small IX: Auxiliary Schooners etc. (4)' compilation), requisition-purchased under one 1942-07-21 CNO request for the 7th Naval District; George Owen design built at the M.U. Martinolich yard, Lussinpiccolo, near-sister of LYNX V / IX-86 Pocotaligo (same design, same yard, launched one year earlier)1 ship
None - one-off yacht acquisition; administratively grouped with the Small IX auxiliary-schooner/yacht acquisitions IX-82 through IX-90 (Shipscribe 'Small IX: Auxiliary Schooners etc. (4)' compilation), requisition-purchased under one 1942-07-21 CNO request for the 7th Naval District; Sparkman & Stephens design1 ship
none - one-off yacht conversion (Pusey & Jones yard hull 396, contract 1032; designer B. T. Dobson)1 ship
None - one-off yacht conversion (secondary sources' 'Cymophane-class' label has no sister ships)1 ship
None - one-off yacht designed by John Trumpy (built as Sequoia II, 1925-26)1 ship
None - purpose-built yard ferry launch (individual craft, not a class); fellow 12th District Mare Island ferryboats per Ships' Data 1922: Admiral Glass (YFB-2, 1916), Castro (YFB-621, 1904), Leslie (YFB-7, 1902, fireboat-rated)1 ship
none - single WWI-era acquired commercial floating derrick (YD hull classification, no class design)1 ship
None - single-hull IX designation; acquired 1922 private yacht1 ship
None - single-ship class ('Design: Tanker, 1936' per Shipscribe). Near-sister SS Gulfbelle (Sun hull 153); four similar Bethlehem Sparrows Point tankers (Gulfcoast, Gulftide, Gulfwave, Gulfdisc, 1937-38)1 ship
none - single-ship class (merchant passenger/cargo liner, New York Shipbuilding 1921 design)1 ship
None - single-ship conversion; merchant hull built to USSB Design 1153 (1919)1 ship
none - single-ship record; 1875 wooden screw freighter converted to stationary receiving ship/Naval Reserve armory (no class sisters)1 ship
None - single-ship yacht conversion (not PC-461 class despite the PC hull number); classified submarine chaser PC-826 1942-43, then coastal patrol yacht Venture PYc-52 1943-45. Sister conversions from the same builder and the same 15 July 1943 PYc reclassification include Sturdy (PYc-50, ex-PC-460) and Valiant (PYc-51, ex-PC-509).1 ship
none - single-vessel conversion of the 1931 yacht Hussar (Cox & Stevens design per shipscribe; the operator-published history credits Gibbs & Cox - discrepancy carried in gaps)1 ship
None - singleton Navy designation. EFC Design 1013 'Robert Dollar' type freighter (1918); shipscribe groups the planned Navy takeover under the West Elcasco (AK-33) class (AK-33, AK-36, AK-40 - all numbers 'not used')1 ship
none - Small IX 'Auxiliary Schooners etc.' acquired-yacht group (IX-73 through IX-79)1 ship
none - unique acquired vessel (shipscribe 'Small IX: Miscellaneous Types' grouping)1 ship
none - unique acquisition (ex-civilian harbor ferry)1 ship
None - unique conversion (1938 motor yacht Stranger acquired and converted for naval service)1 ship
None - unique conversion. One of three identical-design Pusey & Jones motor yachts (Cox & Stevens / John H. Wells naval architecture): sisters Nakhoda (hull 405/1040, later USS Zircon PY-16) and Rene (hull 406/1041, later USS Beryl PY-23)1 ship
None - unique conversion; civilian side-wheel steam ferry (City of Seattle, ON 126536) taken into naval service1 ship
None - unique converted civilian yacht (ex-Hermione); designated Patrol Yacht PY-2 in the 1920 hull-classification standardization (per NavSource), reclassified Miscellaneous Auxiliary IX-14 on 1 July 19211 ship
None - unique converted motor yacht serving in the WWII patrol yacht (PY) series; not a member of a named class1 ship
none - unique converted yacht (patrol yacht PY)1 ship
none - unique structure; two-thirds-scale mock-up of a Dealey-class destroyer escort1 ship
None - unique vessel; single-hull wartime acquisition among the small miscellaneous (IX) auxiliaries1 ship
None - unique war-prize acquisition (shipscribe 'Small IX: Miscellaneous Types' administrative grouping; NavSource styles her 'Callao Class Test Experimental Ship', a one-hull class)1 ship
None - unique wartime acquisition; commercial steam ferry converted to Navy yard ferryboat (YFB), not a member of a designed class1 ship
None - unique, purpose-built Arctic exploration schooner1 ship
None - YFB is a hull-classification series for assorted acquired ferryboats ('personnel movement within a harbor district'), not a designed class1 ship
None formally assigned - single-hull unclassified IX; NavSource groups her as 'Malvern Class Mobile Station Tanker'1 ship
None — one-off acquired small craft; ShipScribe groups her administratively under 'Small IX: Miscellaneous Types' (IX-91 through IX-95, IX-97, IX-101)1 ship
none — one-off ex-German fleet oiler Dithmarschen; first ship to carry the AOR (fleet replenishment oiler) designation1 ship
None — unique craft (Wiley Manufacturing hull 730); IX unclassified miscellaneous category1 ship
None — unique purpose-built underwater-explosion research barge; sole IX-509 entry on the Naval Vessel Register1 ship
Not established in sources reviewed1 ship
Not identified in the sources reviewed1 ship
Not specified in the accessed NHHC DANFS entry1 ship
Not stated in the sources reviewed.1 ship
Not verified in the official sources reviewed1 ship
O class (O-1 design group; Electric Boat design - one of two O-boats built in a government yard)1 ship
O class (O-1 group; Electric Boat/Holland design, Fore River-built)1 ship
O class (O-11 design group, Lake Torpedo Boat design)1 ship
O'Brien1 ship
O-1 class (O class, Electric Boat design)1 ship
O-1 class (ten Electric Boat-design submarines, SS-62 through SS-71; O-1 class proper - distinct from the modified Lake-design O-11 through O-16)1 ship
O-1 class (ten Electric Boat-design submarines, SS-62 through SS-71; O-3 through O-10 built at Fore River under the EB license arrangement - distinct from the modified Lake-design O-11 through O-16)1 ship
Observation Island (one-off; converted MARAD C4-S-1a Mariner type)1 ship
OCEANOGRAPHER (AGS-3) - one-ship class, yacht design (Shipscribe)1 ship
Ocelot1 ship
Octans class (AF-26) - one-ship class; shipscribe design 'Refrig. P&C, 1917' (Belfast-built refrigerated passenger & cargo liner)1 ship
Ohio (SSBN-726) class - Trident; fourth of 18 SSBNs, fourth of four SSGN conversions1 ship
Ohio class (lead ship; SSBN-726 class, 18 Trident SSBNs built; first of four converted to SSGN 2002-05)1 ship
One-off - N. G. Herreshoff-design steel auxiliary schooner (HMCo #827s; third of near-sisters Vagrant #719s, 1913 and Mariette #772s, 1916)1 ship
one-off - no class; Shipscribe lists 'Class: NORTH STAR (IX-148)', design 'Arctic supply ship, 1932'1 ship
One-off auxiliary racing cutter - Paine, Belknap & Skene design, George Lawley & Son build (grouped administratively with the 'Small IX' Naval Academy yachts IX-43/-47/-48/-49, all distinct donated designs)1 ship
One-off auxiliary racing yawl - John G. Alden design no. 623, Herreshoff hull no. 1317s1 ship
one-off conversion (ex-passenger liner SS Saint John, Newport News yard 350); secondary compilations label AH-18 'Rescue class'1 ship
one-off conversion (ex-passenger liner SS Saint John; Newport News yard no. 350 per secondary compilations); secondary compilations label AH-18 'Rescue class'1 ship
One-off conversion - no class. A 1930 diesel motor yacht (Sylvia, Bath Iron Works) acquired and converted to a patrol yacht (PY) for WWII service; PY designations were assigned to individual converted yachts, not a design class.1 ship
One-off converted yacht - no class. Wooden-hulled auxiliary ketch (secondary sources attribute the design to John G. Hanna).1 ship
One-off experimental model freighter ('Sea Otter' shallow-draft anti-submarine cargo concept, Bryan/Noble/Burgess design); the ~1/3-scale prototype of the full-size Sea Otter II (IX-53) - separate hull, not a sister ship1 ship
One-off guided-missile submarine (no class sisters)1 ship
One-off racing schooner (no class)1 ship
One-off radar-picket submarine (no class sisters)1 ship
One-off salvage tug (listed as 'Favorite class' in index sources); designed by W. I. Babcock of New York for Great Lakes Towing Co.1 ship
one-off USC&GS survey vessel (no Navy class)1 ship
one-off yard craft - no class; shipscribe lists 'Class: TRANSFER (IX-46, ex YX-19)' as a singleton1 ship
one-off; converted passenger excursion steamer (design: passenger, 1903)1 ship
One-ship class (shipscribe: 'Class: MIDWAY (AG-41)', mercantile 'Cargo, 1920' design); sister ship Ormes served the Army as USAT Taku (ID-4994)1 ship
One-ship Navy designation (AP-45); commercial Ward Line Oriente-class passenger liner (sister: SS Morro Castle)1 ship
Oregon City-class lineage (laid down as CA-125); completed to unique SCB-13 command-cruiser design as CLC-1 - one-off class per DANFS ('cl. Northampton')1 ship
Original six frigates of the U.S. Navy, Naval Armament Act of 1794 (Joshua Humphreys design)1 ship
Originally a privately built yacht; classified by the Navy as a patrol gunboat, PG-56, per the ship's supplied hull identification. No class assignment verified.1 ship
Orizaba (one-off passenger-and-cargo design, 1918; sister ship Siboney ID-2999 - the two were not a formal class)1 ship
Orizaba class (AP-24) - single-ship Navy class; near-sister Siboney (ID-2999) was built to the same Ward Line design but never received an AP designation1 ship
Osage class (common usage) vehicle landing ship; shipscribe's official-data compilation orders it as the Monitor class (LSV 5-6, 3-4) - four hulls designed to the Navy AN-1 type on the hull and machinery of minelayer Terror (CM-5)1 ship
Otus class (lone ship of class); hull form Maritime Commission type C1-B freighter1 ship
Oxford class (AGTR technical research ship); hull type Z-EC2-S-C5 (Liberty boxed-aircraft-transport variant)1 ship
Oxford class (sole SCB Project 192 conversion; DANFS class designation 'Oxford'); hull type MC Z-EC2-S-C5, the boxed-aircraft-transport variant of the EC2 Liberty design1 ship
Oxford class (technical research ship); underlying hull MARAD type Z-EC2-S-C5 'Airplane Transport' - the boxed-aircraft-transport variant of the EC2-S Liberty design1 ship
Pasig class - single-ship class (DANFS 'cl. Pasig'); built to the merchant 'Pratt class' 516-ft tanker design (Newport News yard no. 205)1 ship
Passaic1 ship
Pathfinder (single-ship class; USC&GS survey design)1 ship
Patrol gunboat (former private steam yacht; no formal Navy class located)1 ship
Patrol gunboat; converted steel-hulled yacht1 ship
Patrol yacht / district patrol craft1 ship
Patrol Yacht, Coastal (PYc) administrative series - 52 acquired civilian yachts classified PYc; each a unique pre-war yacht conversion, not a design class (Naval Marine Archive PY/PYc roster). Hull was a 1924 Consolidated Shipbuilding diesel yacht.1 ship
PC-452 experimental submarine chaser ('X-Boat', Experimental Small Craft program of 1938-05-17); sole steam-powered PC - listed as 'Prototypes' class by uboat.net1 ship
PC-452 prototype - unique experimental 'X-boat' (paired with diesel-electric PC-451, Defoe Hull 166, under the Experimental Small Craft program of 17 May 1938); NavSource styles her 'PC-452 Class Submarine Chaser,' uboat.net 'Prototypes class'1 ship
PC-461 class1 ship
PC-461 class (standard wartime 173-ft submarine-chaser design; NavSource catalogs the PC-1546+ block under its 'PC-533 class' house label)1 ship
PC-461 class (umbrella; DANFS spec block 'cl. PC-553', NavSource/NCM header 'PC-533 Class' - conflict in gaps)1 ship
PC-461 class 173-foot submarine chaser1 ship
PC-461 class submarine chaser (purpose-built steel hull; ~341 hulls built 1941-44 across multiple yards; George Lawley & Sons, Neponset MA, built the PC-461-470 block and others - class context per official tabulation and secondary literature)1 ship
PC-461-class1 ship
PC-461-class steel submarine chaser (PC-461 to PC-496 / PC-542 to1 ship
PC-461-class steel submarine chaser (same series basis as1 ship
PC-461-class submarine chaser (173-foot steel-hull patrol craft)1 ship
PC-461-class submarine chaser (341 built, first laid down December 1940, program ran through 1944, by 14 yards); 173-ft steel-hulled diesel patrol craft for coastal convoy escort and ASW; Consolidated Shipbuilding, Morris Heights NY, built 51 of the class1 ship
PC-461-class submarine chaser; 343 steel-hulled diesel patrol craft built 1941-1944 by 14+ yards including Nashville Bridge; 59 converted to other patrol types including amphibious control craft (PCC). Nashville Bridge sisters on the same ways: PC-620 to PC-623 and PC-1241 to PC-1250 (yard table).1 ship
PCE-842-class 180-ft patrol craft escort design (hull PCE-901; NavSource indexes this hull under its PCE-881-class heading - same design series)1 ship
PCE-842-class patrol craft (source-stated); one of only two ACMs not previously US Army mineplanters (the other: USS Monadnock ACM-10)1 ship
PCS-1376 class (136-ft patrol craft sweeper)1 ship
PCS-1376-class minesweeper, converted to survey ship (sources1 ship
PCS-1376-class patrol craft sweeper (hydrographic survey conversion; survey conversions also cited as Derickson class)1 ship
PCS-1376-class patrol craft sweeper; converted to survey vessel (AGS-10, later coastal survey ship AGSc)1 ship
Pegasus1 ship
Pegasus - six-ship class of Patrol Combatant Missile Hydrofoils (PHM-1 through PHM-6: Pegasus, Hercules, Taurus, Aquila, Aries, Gemini), PHM Squadron TWO, Key West, FL. Originated as a NATO fast-patrol-boat program (US/Germany/Italy); Boeing-built; USN 1977-1993. PHM-1 is the class lead and sole first-generation unit - the five follow-ons incorporated production fixes and differ in detail (e.g., Mk 92 vs her Mk 94 fire-control system).1 ship
Pegasus class patrol combatant missile hydrofoils - six ships built by Boeing Marine Systems (Renton/Seattle): Pegasus (PHM-1), Hercules (PHM-2), Taurus (PHM-3), Aquila (PHM-4), Aries (PHM-5), Gemini (PHM-6); NATO-derived design, foilborne/hullborne CODOG waterjet, all-aluminum hull1 ship
Pegasus class patrol combatant-missile (hydrofoil) - 6 ships total: USS Pegasus (PHM-1, prototype lead ship, commissioned 1977) plus five production hulls PHM-2 through PHM-6 under NAVSEA contract N00024-77-C-2051; Taurus was the first production unit. Developed under the 1972 US-FRG-Italy NATO MOU; program cut from ~30 planned hulls to 6.1 ship
Penguin (ASR-12) class - Navy AT-99/148 design, ex-Navajo-class fleet ocean tug hulls1 ship
Penguin class (submarine rescue ship; three ships - ASR-12, ASR-19, ASR-20 - all laid down as Navajo-class fleet ocean tugs and converted before completion)1 ship
Penguin class (three ships, all laid down as Navajo-class fleet ocean tugs and converted to submarine rescue ships before completion)1 ship
Pensacola-class1 ship
Perch class (Porpoise-class second group; DANFS spec block: PLUNGER)1 ship
Perch class (Porpoise-class second group; DANFS spec block: PORPOISE; NHHC UAB 2014 report calls her 'Perch-class'; Mare Island yard designation P-10)1 ship
Perch class (Porpoise-class second group; DANFS spec block: PORPOISE; WDR58: SS-173 class)1 ship
Permit (Thresher/Permit class - corrected from task-brief 'Skipjack-class')1 ship
Pessacus1 ship
Petrel class (sole member; rated 4th rate gunboat)1 ship
PG-62 through PG-65 are *Temptress*-class gunboats (ex-Flower-class corvettes) per the cited sources; PG-59, PG-60, PG-61 are converted yachts with no stated class — no class asserted for them.1 ship
Phoenix1 ship
Phoenix class (AG-172/173/174); Maritime Commission design VC2-S-AP31 ship
Pigeon class1 ship
Pigeon class (lead ship)1 ship
Plainview (one of a kind)1 ship
Plunger1 ship
Pocomoke-class1 ship
Point Barrow1 ship
Polaris (AF-11) - single-ship class in shipscribe compilation; grouped with Aldebaran class (AF-10) by NavSource/Wikipedia treatments; Maritime Commission C2-Cargo design (Sun Shipbuilding diesel variant)1 ship
Portunus class (AGP); hull built to LST-542 design group (LST-1 class family)1 ship
Portunus class motor torpedo boat tender (AGP-4 group: AGP 4-5, 10-11, 14-18), ex-LST hull conversion; AGP 14-18 modified design group (bow doors retained, enlarged repair shops, second A-frame hoist on AGP-14/17/18)1 ship
Portunus class motor torpedo boat tender (AGP-4 group: AGP 4-5, 10-11, 14-19), ex-LST hull conversion; DANFS and NavSource style it 'Varuna class' - label discrepancy flagged in gaps1 ship
post-WWII standard 140-ft steel derrick-barge family (Army BD / Navy YD series; one of approximately 40 ex-Army BD hulls operated by the Navy as YD craft)1 ship
Potomac1 ship
Potomac class (single unit); hull built as USCG 165-ft patrol cutter, Thetis-class (also styled Argo class / 'B' class across sources)1 ship
Prometheus class repair ships (2 units: AR-3 Prometheus, AR-4 Vestal - the first colliers built by the U.S. Navy, converted to repair ships 1913-14); styled 'Vestal class' in some references1 ship
PYC coastal patrol yacht (individual design and builder not verified)1 ship
R (DANFS class designator: R-1; Electric Boat/Fore River design)1 ship
R-1 class (coastal and harbor defense submarine)1 ship
R-1 class (Electric Boat design group: R-1 through R-14, built at Bethlehem's Quincy/Fore River yard; sister groups R-15-R-20 at Bethlehem San Francisco and R-21-R-27 Lake design at Bridgeport)1 ship
R-1 class (R class) coastal and harbor defense submarine1 ship
R-1-class (R-class) coastal and harbor defense submarine1 ship
R-class (R-1 design group; 'R-1 class' per DANFS/NavSource; Union Iron Works-built group R-15 through R-20)1 ship
Ranger-class (single-ship class)1 ship
Regulus (AK-14 class - sole Navy unit of the design pair; EFC Design 1046). Design sister: Arcturus (AK-12), renamed Gold Star (AG-12).1 ship
Reliance1 ship
Republic (AP-33) - single-ship class; 'Passenger & Cargo' design, 1907 (shipscribe)1 ship
Rescuer class (single-ship acquired-vessel class; ARS-18)1 ship
Rigel class (AF-58) - two ships; Vega was the second and last1 ship
Rincon class (T1-M-BT2 gasoline tanker)1 ship
Roamer class (single-ship class per shipscribe Navy Ship's Data compilation); Danish refrigerated fruit-carrier design, 1935. DANFS 1976 spec block labels her 'BRIDGE' class - not corroborated, see gaps1 ship
Robert D. Conrad class (per DANFS/NavSource); sister ship R/V Melville (AGOR-14), operated by Scripps Institution of Oceanography1 ship
Robert D. Conrad class (SCB Project No. 185) - three ships: AGOR-3 Robert D. Conrad (Gibbs, Jacksonville), AGOR-4 James M. Gilliss (Christy, Sturgeon Bay), AGOR-5 Charles H. Davis (Christy)1 ship
Robert D. Conrad-family oceanographic research ship (SCB Project 185A; shipscribe groups under Sands AGOR-6 design family)1 ship
Rochambeau (single-ship class; ex-Messageries Maritimes liner Marechal Joffre, La Ciotat 1930 passenger/cargo design)1 ship
S class (S-18 design group, Holland-type per NavSource)1 ship
S class (S-18 design group, Holland-type per NavSource; Union Iron Works S-30-to-S-41 construction group; DANFS class line 'S-1')1 ship
S class (S-18 design group, Holland-type; DANFS spec block reads 'Class: S-1')1 ship
S-1 class submarine (Group I 'Holland' design; NavSource labels the group 'S-18 class' - variance in gaps)1 ship
S-3 class ('Government'-type design), second-group S-class submarine1 ship
S-3 class ('Government'-type S-boats, Group II; NavSource labels the group 'S-4 class', HyperWar 'S-11 type' - variance in gaps)1 ship
S-3 class ('Government'-type S-boats; NavSource labels the group 'S-4 class' - variance in gaps)1 ship
S-3 class ('Government'-type S-boats; NavSource/NavalCoverMuseum label the group 'S-4 class' - variance in gaps)1 ship
S-3 class ('Government'-type S-boats; S-10 through S-13 'Modified Government' subgroup with a fifth, stern torpedo tube per NavSource/Friedman)1 ship
S-3 class ('Government'-type; last S-boat built by Lake Torpedo Boat Co.)1 ship
S-3 class (Government design), U.S. S-class submarine1 ship
S-3 class (S-boat, 'Government' type; designed by Bureau of Construction & Repair)1 ship
S-3 class (U.S. S-class, 'Government-type'/Navy design)1 ship
S-3 class, second group ('Modified Government'-type S-boats; stern-tube redesign)1 ship
S-42 class (S-class, third group)1 ship
S-42 class (third-group S-class submarine)1 ship
S-42 class (third/final S-class group, S-42 through S-47 / SS-153 through SS-158; lengthened redesigned EB-design series per NavSource caption citing Friedman)1 ship
S-48 class (fourth group of S-class submarines; Lake Torpedo Boat Co. design)1 ship
S-class submarine (Bethlehem San Francisco S-30-S-41 group; DANFS spec block 'S-1' type; NavSource 'S-18 class (Holland-type)')1 ship
S-class submarine (Electric Boat 'Holland-type' design; DANFS spec block 'S-1' type; NavSource 'S-18 class (Holland-type)'; Friedman 'S-30-41 (SS-135-46) group' for the Bethlehem San Francisco boats)1 ship
S-class submarine (Electric Boat design; DANFS spec block 'S-1' type; NavSource 'S-18 class' for the Bethlehem group)1 ship
S-class submarine (Electric Boat-design second group; Union Iron Works S-30-S-41 series, SS-135-146)1 ship
S-class submarine (Holland design group; NavSource labels 'S-18 class'; DANFS spec block 'cl. S-1')1 ship
S-class submarine — S-42 class (third/final S-class group of six boats, SS-153-SS-158; Electric Boat design built at Bethlehem Quincy; NHHC: 'first of a class of six')1 ship
S-class submarine, fourth group (S-48 group; Lake Torpedo Boat 'government-type' design)1 ship
S-class submarine, Government design, second group (S-10 through S-13, 'Modified Government' type; DANFS class field 'S-3')1 ship
S-class submarine, S-3 design group (DANFS class notation 'S-3'; third-group 'Government' design)1 ship
S-class submarine, third group (S-42 group, SS-153 to SS-158); last Electric Boat ('Holland') design series, built by Bethlehem at Fore River1 ship
Sacramento1 ship
Sacramento class (AOE-1 class), SCB Project 1961 ship
Sacramento class (AOE-1)1 ship
Sacramento-class (single-ship class)1 ship
Saipan1 ship
Salmon (Government/Portsmouth design group; Mare Island follow yard)1 ship
Salmon (lead ship; Electric Boat design group)1 ship
Samaritan (one-ship class); hull originally EFC Design 1024 'Hog Island Type B' transport (Chaumont class)1 ship
Sampson1 ship
Samuel Gompers class1 ship
Samuel Gompers class (AD-37 class); second and last ship of class1 ship
Sangay class (AE-10, sole ship); Maritime Commission C1-A type - see correction row for DANFS 'C1-B' discrepancy1 ship
Santa Rosa-class Grace Line liner (four sisters: Santa Rosa, Santa Paula, Santa Lucia, Santa Elena); operated as a single-ship 'Leedstown class' Navy transport (shipscribe AP-73 class file)1 ship
Saturn class (sole ship of the class)1 ship
SC-14661 ship
SC-1466 (Canadian Fairmile B type)1 ship
SC-497 class (110-ft wooden submarine chaser)1 ship
Sea Otter II class - one-of-one experimental cargo ship ('Charon type'); conceptually related to the 80-ft model Sea Otter I (IX-51) but not a sister ship1 ship
Seawolf (one-off; second nuclear-powered submarine, only sodium-cooled reactor ship)1 ship
Secretary1 ship
Section Patrol craft / district patrol craft1 ship
Sgt. Jonah E. Kelley class (C1-M-AV1)1 ship
Sgt. Jonah E. Kelley-class coastal transport (C1-M-AV1 type); DANFS lists her as name-ship of class ("cl. Jonah E. Kelley")1 ship
Shark class (NHHC Online Library: 'lead ship of a class of two 1316-ton submarines'; DANFS spec block: PORPOISE; Electric Boat design P-3, EB hull no. 19)1 ship
Shark class (NHHC Online Library: 'second of the two 1316-ton Shark class submarines'; DANFS spec block: PORPOISE; NOAA: Porpoise class; Electric Boat design P-4, EB hull no. 20)1 ship
Shikellamy (one-ship class per DANFS 'cl. Shikellamy')1 ship
Silas Bent-class (AGS-26; SCB Project 226)1 ship
Silver Cloud1 ship
SILVER CLOUD (IX-143) class - Shipscribe groups IX-143 with IX-178 Banshee (Cramp 1916 446-ft tanker design); hull itself is USSB Design 1128 ('oil tank steamer', 1918 emergency program); sisters USS Kaweah (AO-15), USS Laramie (AO-16), USS Mattole (AO-17)1 ship
Single-ship conversion (no class) - purpose-built commercial cable ship, Sun hull 571 ship
Single-ship conversion (shipscribe class 'ATLANTIDA (IX-108)'; ex-SS Atlantida, Standard Fruit refrigerated passenger/banana carrier, 1924)1 ship
Single-ship conversion - 1907 German passenger liner (Konig Wilhelm II) taken up as a WWI transport; no U.S. class1 ship
Skate (lead ship of four-boat class)1 ship
Skate (second of four-boat class)1 ship
Skipjack (lead ship of class)1 ship
Skipjack-class1 ship
Small IX auxiliary ketch - no formal class; one of seven yachts/ketches acquired December 1941-February 1942 and grouped administratively as IX-55/57 through IX-63; IX-62 (Vileehi) and IX-63 (Zahma) were the paired auxiliary-ketch acquisitions under the CNO directive of 27 December 19411 ship
Small IX auxiliary ketch - no formal class; one of seven yachts/ketches acquired December 1941-February 1942 and grouped administratively as IX-55/57 through IX-63; IX-62 and IX-63 (Zahma) were the paired auxiliary-ketch acquisitions under the CNO directive of 27 December 19411 ship
Small IX auxiliary schooner - no formal class; grouped administratively with the yachts IX-65 through IX-70 in the Roberts compilation1 ship
Small IX auxiliary schooner - no formal class; one of seven yachts/ketches acquired Dec 1941-Feb 1942 and grouped administratively as IX-55/57 through IX-631 ship
Small IX auxiliary schooner group (no formal class - one of four schooners requisitioned under the 21 Jan 1942 CNO directive: IX-58, IX-59, IX-60, IX-61)1 ship
Small IX auxiliary schooner group (no formal class - one of the schooner acquisitions directed March-May 1942: IX-65, IX-66, IX-67, IX-69, IX-70 per ShipScribe's subgrouping)1 ship
Small IX miscellaneous types - no formal class; one of four small auxiliaries grouped administratively in the IX-68/IX-71/IX-72/IX-80 acquisition set (FY 1942-43, per shipscribe class notes)1 ship
Solace class (single-ship class; ad hoc conversion of the 1927 coastal passenger liner SS Iroquois)1 ship
Sonoma-class (two-ship class, Navy AT-12 design: AT-12 Sonoma, AT-13 Ontario)1 ship
Sotoyomo class (ATA-170-213 design group; Gulfport-built)1 ship
Sotoyomo class (auxiliary fleet tug); planned and authorized as rescue ocean tug ATR-134, redesignated ATA-207 on 1944-05-151 ship
Sotoyomo class (DANFS class code ATA-121); planned and authorized as rescue ocean tug ATR-120, reclassified Auxiliary Fleet Tug ATA-193 on 1944-05-151 ship
Sotoyomo class (DANFS class designation: ATA-121; Shipscribe designation: ATA-174 class)1 ship
Sotoyomo class (DANFS class line prints 'Maricopa'; NVR stricken-list class header 'ATA 174' - same ATA-170-213 production design; see correction row ev-11)1 ship
Sotoyomo class (DANFS header 'cl. Sotoyomo'; NavSource 'Sotoyomo Class Auxiliary Fleet Tug'); Shipscribe catalogs the FY1943 Levingston batch as the ATA-174 class, design Navy BAT-1; NVR class code 'ATA 174' - class-label convention documented in correction row1 ship
Sotoyomo class (DANFS lists class ATA-121; shipscribe groups the design as ATA-174/Wateree class, Navy BAT-1 design)1 ship
Sotoyomo class (DANFS statistics line styles it 'ATA-170' class)1 ship
Sotoyomo-class (ATA-174 class) auxiliary ocean tug1 ship
Sotoyomo-class (Shipscribe designation: ATA-174 class, Navy BAT-1 design)1 ship
Sotoyomo-class auxiliary fleet tug1 ship
Sotoyomo-class auxiliary fleet tug (BuShips ATA-174/ATR-101 group; design lineage Navy BAT-1, identical to ATR-41 class)1 ship
Sotoyomo-class auxiliary fleet tug per NavSource (ATA-121 group); the hull was built as an ATR-41-class rescue tug to the Navy BAT-1-derived design (Shipscribe class designation 'HMRT Advantage (ATR-41)', Design: Navy BAT-1)1 ship
source states LST-1-class tank landing ship (before redesignation)1 ship
Southery (single-ship class; ex-British merchant cargo steamer)1 ship
Spindrift (single-vessel class per DANFS); grouped with Naval Academy 'Small IX' yachts IX-43/47/48/49 in BuShips-derived compilations1 ship
Spruance1 ship
Spruance class (DD-963)1 ship
Stratford class (single-ship class; EFC Design 1044-type WWI 'Laker' freighter per Shipscribe auxiliary-vessel compilation)1 ship
Stratford-class transport (NavSource class listing; DANFS header assigns class 'Gemini')1 ship
Suamico (DANFS header: "cl. Suamico")1 ship
Suamico (T2-SE-A1)1 ship
Suamico class (Maritime Commission type T2-SE-A1)1 ship
Suamico-class fleet oiler (T2-SE-A1 tanker design)1 ship
Sumner1 ship
T-AKL-34 class (Army Design 381, part 3) per Shipscribe; NVR class grouping 'AKL 1'; NavSource files under Camano class1 ship
T1 Klickitat1 ship
T3 Ashtabula1 ship
T3 Kennebec1 ship
T5-S-RM2a design1 ship
Tacoma class1 ship
Tacoma class / British Colony class1 ship
Tacoma class patrol frigate (Maritime Commission type S2-S2-AQ1)1 ship
Tacoma class patrol frigate (MC type T. S2-S2-AQ1): Gibbs & Cox-modified British River-class design built to mercantile standards under Maritime Commission contracts (class contract 8 December 1942 for 69 hulls; 96 completed). Steam plant - two 3-drum express boilers, two vertical triple-expansion engines, 2 shafts. 75 of the class Coast Guard-manned in WWII (USCG Historian's office); 44 converted to weather ships with aft 3"/50 replaced by balloon-inflation deckhouse. Walter Butler Superior built the PF-22 to PF-33 run; PF-33 was the yard's last frigate (hull 30, MC 1444).1 ship
Tacoma-class1 ship
Tacoma-class patrol frigate (MC type T. S2-S2-AQ1)1 ship
Tacoma-class patrol frigate; Maritime Commission type S2-S2-AQ1 (MC hull 1446); originally authorized as patrol gunboat PG-143, reclassified PF-35 on 15 April 1943 (class-wide PG->PF reclassification). One of 18 Consolidated Steel-built frigates - Russell's NHC monograph notes the Consolidated-built units 'generally outperformed the rest of the class' and that 12 of the 28 frigates transferred under Project HULA were Consolidated hulls.1 ship
Talbot class torpedo boat (2 boats: Talbot TB-15 and Gwin TB-16, both Herreshoff yard nos. 191/192); converted to yard ferryboat (YFB-3) - ferry service 1912-19401 ship
Tampa1 ship
Tang class (lead ship)1 ship
Tangier (DANFS classification); Maritime Commission C3-S1-B1 design (MARAD)1 ship
Tangier class (DANFS 'cl. Tangier'; NHHC photo essay: 'first of a class of three 11,760-ton seaplane tenders' - AV-8/AV-9/AV-10 C3-family conversions; NavSource/MARAD treat each as a single-ship class - see gaps)1 ship
Taurus class (AF-25, single-hull class); often grouped with the Delphinus (AF-24) class of ex-United Fruit reefers but differed by turbo-electric drive1 ship
Temptress class (USN patrol gunboat); built as Flower-class corvette (RN)1 ship
Temptress class patrol gunboat (DANFS); NavSource describes the British Flower-class corvette / Temptress-class patrol-gunboat designation1 ship
Temptress-class (Flower-class) corvette1 ship
Temptress-class patrol gunboat (USN designation - 10 ex-Royal Navy corvettes, PG-62 through PG-71, transferred under reverse Lend-Lease); built to the British Flower-class corvette design1 ship
Tennessee1 ship
Terror1 ship
Thresher class (lead ship; class renamed Permit class after loss)1 ship
Thurston class (MC design C2-F, Federal variant)1 ship
Ticonderoga class (modified Essex; lead ship)1 ship
Tonti class gasoline tanker (USMC type T1-M-BT2)1 ship
transport (C3-based; DANFS headnote: dp. 9,360; l. 475'4")1 ship
transport (DANFS headnote via mirror: dp. 24,465; l. 655'; cpl. 909)1 ship
Treasury class (327-ft 'Secretary' class) Coast Guard cutter; six of seven class sisters converted to amphibious force flagships in 19441 ship
Treasury-class (Secretary/327-foot class; Erie-derived design)1 ship
Trefoil1 ship
Trefoil (IX-149) class - thirteen Navy-acquired Maritime Commission B7-D1 concrete barges (IX-149/150/151/152/153/154/158/159/160/161/162/163/164); the DANFS ship-data line and NavSource render the class as 'Midnight' (the class lead IX-149 carried the name Midnight until 10 Jun 1944)1 ship
Trefoil (IX-149) class; U.S. Maritime Commission design B7-D1 (concrete-hulled dry cargo barge, GSK stores-issue conversion)1 ship
Trefoil class (Maritime Commission design B7-D1 concrete barge)1 ship
Trefoil class (Maritime Commission type B7-D1 concrete barge)1 ship
Trefoil class (styled 'Midnight class' in DANFS and NavSource; Trefoil-class in Shipscribe and secondary usage); Maritime Commission design B7-D11 ship
Triana (IX designation; single-ship class per DANFS 'cl. Triana'); built to EC2-S-C1 (Liberty ship) design1 ship
Truxtun class (single-ship class; nuclear-powered variant of the Belknap design - FY1962 budget substitution of a nuclear frigate for one projected Belknap CG-26 hull)1 ship
Tryon class (MC C2-S1-A1)1 ship
Tryon-class evacuation transport (C2-S1-A1 hull)1 ship
Tryon-class evacuation transport (C2-S1-A1)1 ship
Tullibee (only ship of her class)1 ship
Tuscarora (AT-77) class - one-off design; 135-ft single-screw steel diesel-electric ocean tug built on speculation by Levingston and acquired under the 1940 70% Expansion Program. Administratively numbered in the AT fleet-tug sequence alongside the Cherokee-class ocean tugs (1941 Navy Filing Manual), though not Cherokee-class.1 ship
Twin Falls (DANFS-listed class name for the AGM-11 instrumentation configuration); built to the VC2-S-AP3 Victory ship design1 ship
Twin Falls class (single ship); Maritime Commission type VC2-S-AP3 Victory ship1 ship
Two-ship Yangtze river gunboat type with sister Monocacy (PG-20/PR-2); purpose-built for Upper Yangtze service, pre-fabricated at Mare Island Navy Yard and reassembled at Shanghai (DANFS)1 ship
Two-ship Yangtze river gunboat type with sister USS Palos (PG-16/PR-1); shallow-draft vessels built for Yangtze River service1 ship
Type 1936A1 ship
Type C41 ship
U. S. Grant (AP-29) - single-ship class; passenger & cargo design, 19071 ship
U.S. Army Design 330DC FS (freight-supply) vessel - 'Vessel, Supply, Twin Screw, Diesel, Steel, 180 ft'; frequently mislabeled 'Camano class' in secondary sources (see correction row ev-05)1 ship
U.S. Army Design 358 self-propelled cable barge (two units built; Nashawena the sole Navy unit)1 ship
U.S. Army FS type, Design 427 (180-ft steel coastal freighter, aircraft maintenance variant)1 ship
Unclassed WSA conversion - DANFS does not assign a named ship class; not a purpose-built (Diver-class) ARS design. Secondary sources informally use "Tackle-class" but no class-defining source or sister-ship list was located - treated as unverified, not used for class-level inference.1 ship
Unclassified miscellaneous (IX) - auxiliary schooner; Shipscribe acquisition group 'Auxiliary schooners etc. (2)' (IX-65, IX-66, IX-67, IX-69, IX-70), not a formal Navy class1 ship
Unclassified miscellaneous (IX) service craft; converted YFN covered lighter1 ship
Unclassified miscellaneous auxiliary (IX); 'Small IX: auxiliary schooners' wartime-acquisition grouping (Shipscribe IX-65/-66/-67/-69/-70)1 ship
Undaunted class (Shipscribe AT-58 class page / NavSource 'Undaunted Class Fleet Tug'; ex-mercantile Rolph Navigation & Coal Co. seagoing tug design; sister Dreadnaught, builder's hull 171, became YT-34)1 ship
Union Iron Works 453-ft tanker type, 1916 (design later adopted as EFC Design 1047); Shipscribe groups IX-131 with acquired elderly storage tankers IX-184/185/190/193/2141 ship
unique (single-hull SCB 65 midget submarine - the U.S. Navy's first and only midget submarine)1 ship
unique (sole protected cruiser of her design)1 ship
unique - 'Halibut' class, single unit (DANFS 'cl. Halibut'); conceived as a nuclear near-sister of the Grayback (SSG-574) Regulus design (SCB-166A); engineering plant of Skate type (USNI 1967)1 ship
unique - Alvin-type deep-submergence vehicle (repeatedly rebuilt; NOT an Albacore-class submarine - USS Albacore AGSS-569 is a separate vessel)1 ship
Unique - one of two ocean-racing yawls (OSTWIND and NORDWIND) built for the German Navy to a Heinrich Gruber design; sister NORDWIND went to Britain postwar1 ship
unique - sole unit of the Triton class; designed as nuclear-powered radar picket submarine (SSRN), converted to attack submarine (SSN)1 ship
unique - third of three successive Navy bathyscaphes named Trieste (imported 'Albacore class' assignment is erroneous; see ev-04)1 ship
unique conversion - one of five WWII Navy Q-ships; no sister class1 ship
unique conversion - sole ARG-1; as CM-4 one of the converted passenger-steamer minelayers of the WWI Mine Force1 ship
Unique design - one-off sloop-of-war designed by Chief Constructor John Lenthall; last sail-only warship designed and built for the U.S. Navy1 ship
Unique vessel - no class (Shipscribe administrative grouping: 'Small IX: Auxiliary Schooners etc.')1 ship
Unique vessel - no class; one-off converted yacht. Grouped by BuShips with the 'Small IX: Auxiliary Schooners' acquisitions (IX-55 through IX-63), for which she was the largest unit.1 ship
Unknown1 ship
unverified1 ship
Uranus class (single-ship class; AF-14)1 ship
US Navy YMS-11 ship
US Navy's Saturn1 ship
V-1 (Barracuda) class - lead boat and first of the nine V-boats; sisters V-2/Bass (SS-164) and V-3/Bonita (SS-165), all Portsmouth Navy Yard-built (DANFS spec block 'cl. B')1 ship
V-4 - unique one-ship design; the only purpose-built minelaying submarine in U.S. Navy service (sometimes styled 'Argonaut class'). NOT Tench class - the Tench-class hull is the second Argonaut (SS-475); the master hull list row pairing 'SM-1' with 'Tench' conflates the two hulls1 ship
Van Straelen class (inshore minesweeper; internationally 'mine sweeper inshore', MSI)1 ship
Van Straelen class (inshore minesweeper; internationally 'mine sweeper inshore', MSI) - the class bears this vessel's name1 ship
Van Straelen class (Koninklijke Marine ondiepwatermijnenveger / inshore minesweeper; internationally 'MSI', Dutch nickname 'Dinky Toy-klasse'): sixteen wooden-hulled, near-non-magnetic, quiet-running shallow-water minesweepers built 1958-62 at three Dutch yards (Werf De Noord Alblasserdam; Arnhemse Scheepsbouw Maatschappij Arnhem; G. de Vries Lentsch Jr. Amsterdam). Netherlands and the United States each paid for eight; the eight U.S.-funded hulls carried U.S. program numbers MSI-3 through MSI-10 (RNLN pennants M 868-M 875). Class named for HNLMS Van Straelen (M 872).1 ship
Van Straelen class (RNLN): sixteen shallow-water (inshore) minesweepers built 1958-1962 at De Noord (Alblasserdam), Arnhemse Scheepsbouw Maatschappij (Arnhem), and G. de Vries Lentsch jr. (Amsterdam); internationally designated MSI (mine sweeper inshore); the eight US-funded ships of the class carried U.S. MDAP hull numbers MSI-3 through MSI-10 (M 868-M 875); named for RNLN personnel posthumously awarded the Military Order of William or Bronze Cross1 ship
Van Straelen class (Royal Netherlands Navy inshore minesweeper; MSI-3 through MSI-10 were the eight MDAP-funded hulls of the class)1 ship
Van Straelen class (Royal Netherlands Navy): sixteen inshore minesweepers (ondiepwatermijnenvegers; internationally MSI — mine sweeper inshore) designed in the Netherlands and built 1958-1962 at G. de Vries Lentsch Jr. (Amsterdam), De Noord (Alblasserdam), and Arnhemse Scheepsbouw Maatschappij (Arnhem); U.S. MDAP funded eight (carrying hull numbers MSI-3 through MSI-10 = Dutch M 868-M 875), the Netherlands eight; named for RNLN personnel decorated posthumously in WWII / the Indonesian conflict; employed sweeping shallow and narrow inland waters1 ship
Vandalia1 ship
Vandalia class (IX storage tankers): two ex-Standard Oil of New Jersey 516-ft tankers - Walter Jennings (IX-191) and E. T. Bedford (IX-218 Guardoqui) - built 1921 by Federal SB & DD, Kearny, to the 1916 Newport News design1 ship
Vashon class (DANFS entry designation)1 ship
VC2-S-AP21 ship
VC2-S-AP3 Victory cargo vessel, converted for Navy support1 ship
Vestal (sole member per DANFS spec block; converted Fleet Collier No. 1). Some secondary compiles list her as 'Prometheus class' - see correction evidence row.1 ship
Victoria (single-ship class, AO-46); Union Iron Works 453-ft tanker type of 1917 (the design the Emergency Fleet Corporation later designated Design 1047)1 ship
Victory1 ship
Victory ship, VC2-S-AP3 (original MARAD cards; database AP2 conflicts)1 ship
VIG class (Royal Danish Navy inshore minesweepers): M579 Asvig (ex MSI-11), M580 Mosvig, M581 Sandvig (ex MSI-12), M582 Sælvig - four boats built 1959-61 at Orlogsværftet, Copenhagen; shallow-water non-magnetic design 'almost the same look and design as the Dutch VAN STRAELEN class' (Danish Naval History); only the two U.S.-funded MDAP units (Asvig, Sandvig) carried MSI hull numbers1 ship
VIG class, Royal Danish Navy (NavSource heading: 'MSI-1 Class Inshore Minesweeper')1 ship
Virginia class (fourth and last ship of class; last of nine U.S. nuclear-powered cruisers built)1 ship
Virginia class (second of four ships)1 ship
Virginia class (third ship of class)1 ship
Virginia-class (lead ship; four nuclear-powered guided-missile cruisers, CGN-38 through CGN-41)1 ship
Vulcan-class repair ship1 ship
Vulcan-class repair ship (lead ship)1 ship
Wando-class (two-ship class: AT-17 Wando, built Charleston Navy Yard; AT-18 Chemung, built Norfolk Navy Yard)1 ship
Wasp-class1 ship
Watertown1 ship
Watertown class (T-AGM-6 class) - two ships per the NARA-derived class record: Watertown (ex-Niantic Victory, MCV-100) and Huntsville T-AGM-7 (ex-Knox Victory, MCV-184); DANFS's header groups Watertown under 'cl. Range Tracker'; Wheeling T-AGM-8 was a separate SCB Project 205A conversion sometimes loosely counted as a third member in secondary sources1 ship
Watertown class (T-AGM-6/-7); Maritime Commission type VC2-S-AP31 ship
Watertown class missile range instrumentation ship (T-AGM-6/7 per shipscribe; DANFS lists under Range Tracker class); built as Maritime Commission type VC2-S-AP3 (Victory ship)1 ship
Watson1 ship
West Point (single-ship class, AP-23); U.S. Maritime Commission design type P4-S21 ship
Wharton-class transport (ONI-54: Wharton class = AP-7 + APA-13, 'a variation of the Harris class'); hull type EFC/USSB Design 1029 ('535' type passenger-cargo liner)1 ship
Wheeling class gunboat; 2 ships: Wheeling (Gunboat No. 14 / PG-14 / IX-28), Marietta (Gunboat No. 15 / PG-15); 990-ton steel gunboats built 1896-97 at Union Iron Works, San Francisco1 ship
Whidbey (sole remaining AG of the twelve ex-Army FS vessels classified AG-130 through AG-141; AG-130 through AG-140 reclassified AKL-1 through AKL-11 effective 1949-03-31)1 ship
Whidbey Island1 ship
Whidbey Island-class (lead ship; NVR class code 'LSD 41')1 ship
Wichita-class (AOR-1 class)1 ship
Wichita-class (single-ship class)1 ship
Wichita-class replenishment oiler (lead ship of seven; design derived from Sacramento AOE-1)1 ship
Wichita-class replenishment oiler (second of seven; design derived from Sacramento AOE-1)1 ship
Wickes-class (Mare Island Navy Yard fourth-batch group, DD-136 through DD-141; Bath design used by the non-Bethlehem builders per class references)1 ship
William Ward Burrows class transport (single-ship class; sister hull USS Bowditch (AGS-4), ex-MV Santa Inez, same Burmeister & Wain build)1 ship
Wilmington class gunboat (2 ships: Wilmington PG-8, Helena PG-9); designed for service in Chinese waters - shallow 9-ft draft, tall tubular military masts with armored conning station (USNI)1 ship
Wilmington-class (lead ship; sister Helena PG-9)1 ship
Wilmington-class gunboat (2 ships: Wilmington PG-8, Helena PG-9), Newport News-built for Chinese-waters service; shallow draft, military masts, 1-inch armored belt abreast engineering plant (USNI)1 ship
Wind-class icebreaker1 ship
Wind-class icebreaker (DANFS classes the Navy icebreakers under 'Burton Island')1 ship
Wind-class icebreaker (DANFS spec block: class 'Wind'; NavSource block labels 'Burton Island Class'; USCG Historian: 4th of 7 Wind-class hulls completed for USCG operation)1 ship
Wright (single-ship class; converted EFC Design 1024 / Hog Island Type B transport)1 ship
Wright class (T-AVB-3 and T-AVB-4 Curtiss); original design MARAD C5-S-78a (Moore-McCormack Sea-Bridge class)1 ship
Yangtze Patrol river gunboat1 ship
Yangtze Patrol shallow-draft river gunboat - one of six Kiangnan Dock-built sisters of the 1926 program (Guam, Tutuila, Panay, Oahu, Luzon, Mindanao); the 'Panay class' of secondary literature1 ship
Yard ferryboat (individual acquired commercial ferry; no class profile located)1 ship
YC-1607 class open lighter (non self-propelled); converted to berthing/working accommodation barge ('Boat Landing Stage' role aboard La Salle)1 ship
Yellowstone class (NVR class designator AD 41)1 ship
Yellowstone-class (AD 41-44) - built to the Gompers (SCB 700.FY) design and considered flight II of the Samuel Gompers class, though the Navy listed them as a separate class (ShipScribe class notes; DANFS spec block prints 'SAMUEL GOMPERS')1 ship
Yellowstone-class (NVR class code 'AD 41') — the ship's own cruise books describe her as a 'modified Gompers class' / 'modified Samuel Gompers class' tender (a repetition of the preceding 1960s design); four ships: AD-41 Yellowstone, AD-42 Acadia, AD-43 Cape Cod, AD-44 Shenandoah1 ship
Yellowstone-class destroyer tender (fourth and final ship; class led by AD-41 per NVR - a repetition of the preceding Samuel Gompers-class design)1 ship
YF-257-class covered lighter (self-propelled); USCG White-class 133-ft coastal buoy tender1 ship
YF-852-class self-propelled covered lighter (Navy design YF-257); sole member of the Littlehales (AGSC-15) coastal survey ship conversion class1 ship
YFB (yard ferryboat or launch)1 ship
YFB (yard ferryboat)1 ship
YFB (yard ferryboat); individually converted civilian vessel, no documented Navy construction class1 ship
YFB district craft1 ship
YFB ferryboat/launch; individual class not identified1 ship
YFB-19 class ferry boat1 ship
YFB-19 class ferry boat (wooden hull)1 ship
YFB-19 class yard ferryboat1 ship
YFB-series district yard ferryboat - one-off wooden-hulled craft built at Cavite Navy Yard for the Sixteenth Naval District; part of the Cavite ferryboat group (Santa Rita YFB-681, Rosal YFB-682, Camia YFB-683, Dapdap YFB-684, Rivera YFB-685, Magdalena YFB-687, Yacal YFB-688)1 ship
YFN wartime covered lighter (Navy Type B, 261-ft/700-ton standard design); lead unit of the five-craft YRST-1 class salvage craft tender configuration1 ship
YFU-71 class harbor utility craft ('Skilak cargo craft'; purpose-built group YFU 71-82)1 ship
YFU-71-class harbor utility craft (Pacific Coast Engineering 'Skilak' design)1 ship
YNG-1 class gate craft (NavSource class grouping covering the YNG series); Moore-built batch YNG 16-181 ship
YOG-5 class gasoline barge (self-propelled)1 ship
YP-676 class yard patrol (YP) craft1 ship
YRDH-1-class Floating Dry Dock Workshop (Hull) - non-self-propelled hull-repair workshop craft; YRDH-1 through YRDH-8 built 1943-44 to a 151-ft/460-ton design (planned as YR-series floating workshops, redesignated YRDH before construction)1 ship
YSD-11-class crane ship (ex-YSD-64); no separate YM class stated.1 ship
YTM-1921 ship
Unclassed (no vessel_class in record)45 ships