USNS Mission Santa Ana (T-AO-137)

Evidence

15 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-15).

1. [1]research packet r2-packet.md (1 sources cited) [nhhc_danfs]

   Finding type

   vessel_history

   Finding

   Identity packet verdict: MISMATCH

   Verification

   verified

   Role

   correction

   Documentation level

   ship_specific

   Evidence ID

   usns-mission-santa-ana-t-ao-137-pkt-r2-packet-md

2. [2]DANFS, 'Mission Santa Ana' (AO-137) entry, Naval Historical Center (verbatim; modern URL 404 on 2026-09-18 - retrieved via Wayback capture 20040921115447 of the legacy danfs/m12 path) [nhhc_danfs]

   Locator

   DANFS entry - spec block and narrative paragraphs (Wayback capture 20040921115447)

   Finding type

   vessel_history

   Finding

   DANFS records: 'A merchant name retained. A Franciscan mission in colonial California.' Spec block: '(AO-137: dp. 21,880; l. 524'; b. 68'; dr. 30'; s. 16.5 k.; cpl. 52; a. none; cl. Mission Buenaventura; T.T2-SE-A2)'. 'Mission Santa Ana was laid down 18 April 1945, under a Maritime Commission contract by Marine Ship Corp., Sausalito, Calif.; launched 25 July 1945; sponsored by Mrs. D. J. Johnson; and delivered 25 October 1945. Chartered to Pacific Tankers Inc., for operations, she carried fuel to our forces stationed overseas until 3 April 1946 when she was returned to the Maritime Commission and laid up in the Maritime Reserve Fleet at Columbia River, Oreg. Acquired by the Navy 9 January 1948, and chartered to Pacific Tankers Inc., for operations, she was placed in service with the Naval Transportation Service as Mission Santa Ana (AO-137). Taken over by the Military Sea Transportation Service, when it absorbed the functions and duties of the Naval Transportation Service, on 1 October 1949, her designation was changed to USNS Mission Santa Ana (T-AO-137). She served with MSTS until 3 April 1950, when she was taken out of service and berthed in the San Diego group of the Pacific Reserve Fleet. She lay at San Diego, in reserve, until 27 January 1955 when she was transferred to the Maritime Administration and laid up in the Maritime Reserve Fleet at Olympia, Wash. She was struck from the U.S. Naval Vessel Register 22 June 1955. Reacquired by the Navy 3 July 1956, she was once again placed in service with MSTS and operated, under charter, by Joshua Henry Corp. She served with MSTS until 25 February 1958, when she was struck from the U.S. Naval Vessel Register and transferred to the Maritime Administration for layup in the Maritime Reserve Fleet at Suisun Bay, where she remains into 1969.'

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-18

   Study period

   1945-1969

   Population

   Merchant crew (1945-46); NTS/MSTS civilian mariners (1948-50, 1956-58)

   Limitations

   Official Navy ship history (legacy DANFS text, entry published on the pre-CMS history.navy.mil). Narrative coverage ends ~1969 - contains no post-service disposition and no asbestos, insulation, or materials information. Omits the laid-down identity (Concho AO-102 - documented by shipscribe/aukevisser/shipbuildinghistory). 'Marine Ship Corp.' is the Marinship Corporation per MARAD and specialist sources. 'Joshua Henry Corp.' is a probable misprint for the documented operator Joshua Hendy Corporation (see correction row). Does not establish any asbestos fact.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-01

3. [3]NavSource Online, Service Ship Photo Archive - USNS Mission Santa Ana (T-AO-137) ex Mission Santa Ana (AO-137) page 19137.htm (content verified via Wayback capture 20240527082717; direct fetch not used) [other_primary]

   Locator

   Page 19137.htm - class history bullet list, 'AO Specifications' block, ribbons

   Finding type

   vessel_history

   Finding

   NavSource timeline (compiled from register and secondary data) mirrors DANFS and adds identifiers and final disposition: 'Laid down, 18 April 1945, as a Maritime Commission type (T2-SE-A2) tanker hull under Maritime Commission contract (MC hull 1828) at Marinship Corp., Sausalito, CA.' Delivered 25 October 1945 for charter to Pacific Tankers, Inc.; returned to MC 3 April 1946 for lay up NDRF Columbia River; acquired by the Navy 9 January 1948; placed in service by NTS as Mission Santa Ana (AO-137) under Pacific Tankers charter; control transferred to MSTS 1 October 1949, redesignated USNS Mission Santa Ana (T-AO-137); placed out of service 3 April 1950, laid up Pacific Reserve Fleet San Diego; transferred to MA for lay up NDRF Olympia, WA; 'Struck from the Naval Register, 22 June 1955'; reacquired by the Navy 3 July 1956 and placed in service with MSTS under charter to Joshua Henry Corp.; 'Placed out of service and struck from the Naval Register, permanent transfer to the Maritime Administration for lay up in the National Defense Reserve Fleet, Suisun Bay, Benecia, CA., 25 February 1958'; 'Final Disposition, sold, 2 December 1975, to National Metals and Steel Corp., for scrapping, Removed 6 January 1976.' Call sign NHSL. Awards ribbon display: National Defense Service Medal only (no campaign stars). Spec block: 5,532 t.(lt) / 21,880 t.(fl); 523'6" x 68' x 30'10"; 15.1 kts trial; complement 52 CivMar + 17 USN Armed Guard; wartime armament one single 5"/38, four single 3"/50, four twin 40mm, four twin 20mm; cargo 15,300 DWT - oil 120,400 bbl, gasoline 575,000 gal; propulsion one General Electric turbo-electric engine, two Babcock and Wilcox D-type boilers 600psi 825F, single propeller 10,000 shp.

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-18

   Study period

   1945-1976

   Population

   Merchant crew (1945-46); NTS/MSTS civilian mariners (1948-50, 1956-58)

   Limitations

   Private archival compilation, not an official record - used to carry the record past DANFS's 1969 cutoff. Contains documented data problems carried unresolved: 'MC hull 1828' conflicts with the MARAD status-card-official and specialist MC 2698 (the 1828 belongs to an earlier, different Marinship hull that also carried the name Mission Santa Ana - see name-collision row); the 'T-2-SE-A2' tag conflicts with the T2-SE-A3 order attribution; armament/complement block is the WWII class template - this hull was completed after V-J Day and unarmed, so Armed Guard manning is unverified; the NDSM ribbon display is unverified against an award record and her in-service windows (1948-50, 1956-58) fall outside the medal's Korea/Vietnam eligibility periods. No asbestos information.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-02

4. [4]U.S. Maritime Administration, ShipHistory database - MISSION SANTA ANA (AO-137), Ship History Detail 3415 (re-verified by direct fetch, HTTP 200, on 2026-09-25; content identical to the 2026-09-18 Wayback-capture read) [marad_nrc]

   Locator

   ShipHistory Detail 3415 - vessel header, milestone table, status-card links

   Finding type

   vessel_history

   Finding

   MARAD ShipHistory record for this hull: Year Built 1945; Official No. 248851; Shipyard 'Marinship Corporation'; General Type Tanker (Specific Type 'LNG Liquefied Natural Gas' - a MARAD classification artifact); MARAD Type T2-SE-A2; length 503 ft; beam 68 ft; Gross 10,388 t / Net 7,296 t; Fate 'Sold -NTU'; Mission 'No Mission for this vessel'. Custody milestones: Entry 1946-04-03 (postwar return to Commission custody, NDRF Columbia River), Acquisition 1958-02-25 (MARAD custody at final Navy transfer), Withdrawal 1976-01-02. Seven status-card scans attached (3415_6333AF/BF/BB/CF/CB.jpg, 4YF_01.png, 3415_AF.jpg); page reports 'No documents for this vessel' and 'No historical narrative'. Vessel name history lists only MISSION SANTA ANA (AO-137) - no separate CONCHO detail page linked. Re-verified live 2026-09-25 (direct fetch, HTTP 200): header values and the three custody milestones are unchanged; the name-history list still carries only MISSION SANTA ANA (AO-137). MARAD PublicSearch on 2026-09-25 returned exactly one 'MISSION SANTA ANA' record (Detail 3415, '(1945)') and ZERO records for 'CONCHO' - closing the 2026-09-18 open item: no separate CONCHO detail page exists in the database.

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-25

   Study period

   1946-1976

   Limitations

   Authoritative for MARAD custody milestones and identifiers. 'LNG Liquefied Natural Gas' as Specific Type is a database artifact - this was a T2 petroleum tanker, not an LNG carrier. The milestone-table Withdrawal (1976-01-02) differs from the physical removal date on the status card (1976-01-06) - a minor administrative-vs-physical distinction carried, not smoothed. No asbestos, materials, or condition information; the PublicSearch absence of a CONCHO record is a database-level negative, not proof that no paper record exists.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-03

5. [5]U.S. Maritime Administration, NDRF status cards for MISSION SANTA ANA (AO-137): master VESSEL STATUS CARD (4YF_01.png), 'RESERVE FLEET DIVISION - VESSEL DATA' card for Astoria/Columbia River (3415_6333CF.jpg), Olympia vessel-data card (3415_6333BF.jpg), Form MA-383 'Reserve Fleet - Ship Particulars' Suisun Bay (3415_6333AF.jpg), Form MA-20 'Record of Ship Sales' PD-X-1001/MA-8200 (3415_AF.jpg), and two annotation fragments (3415_6333BB.jpg, 3415_6333CB.jpg). First three reads via Wayback captures 20240528010248-50 (2026-09-18); remaining four retrieved direct (vesselhistory.marad.dot.gov/cards/) and read 2026-09-25. [marad_nrc]

   Locator

   MARAD cards under https://vesselhistory.marad.dot.gov/cards/ : 4YF_01.png (master custody card), 3415_6333CF.jpg (Astoria/Columbia River data card), 3415_6333BF.jpg (Olympia), 3415_6333AF.jpg (MA-383 Suisun), 3415_AF.jpg (MA-20 sale record), 3415_6333BB.jpg + 3415_6333CB.jpg (annotation fragments)

   Finding type

   historical_record

   Finding

   Primary-source custody documentation - all seven attached scans now read. (a) MASTER STATUS CARD (4YF_01.png): Off. #248851; 'MISSION SANTA ANA'; Flag AMER.; Type 'T2-SE-A2 Tkr.'; D.W.T. 16765; 'Hull No. 2698'; 'Built by Marinship Corp. At Sausalito, Cal. Completed 10-25-45'; 'Basis to W.S.A. 10-25-45 2:30PM PST @ Sausalito, Calif.' Custody chain in full: Pacific Tankers, Inc. (GAA, Sausalito) 10-25-45 2:30PM PST; Reserve Fleet (Columbia River) Portland, Ore. 4-3-46 12 Noon PST; Pacific Tankers Inc. (WSA-4942, GAA, Portland/Astoria) 11-7-46 9:30am PST; 'DELIVERED TO U.S. NAVY' San Francisco 1/9/48; Reserve Fleet (Navy surplus) Olympia 1-27-55 1:40PM PST ('DEPT. OF COMMERCE, MARITIME ADM. ... SURPLUS FROM NAVY'); Navy Department (Title, Olympia) 7-3-56 3:00pm PST; Reserve Fleet (Permanent Transfer) Suisun Bay 2-25-58 2:30pm PST; National Metal & Steel Corporation (Nontransportation Use, Purchase) Suisun Bay 12/2/75; Physical Delivery 1/6/76 1:30Pm PST. (b) ASTORIA/COLUMBIA RIVER vessel-data card (3415_6333CF.jpg): name MISSION SANTA ANA; T2-SE-A2; speed 14.5 knots; DWT 16583; built Marinship 1945; entered fleet 4-3-46; 'HULL NO. MC 2698'; 'DATE WITHDRAWN FROM FLEET 11-7-46 DELIVERED TO PACIFIC TANKERS'; 'TERMINATION PORT, LAST VOYAGE: San Pedro'; annotated 'Ret Olympia 1-27-55 1340 hrs PST MSTS' and the MacMichael-ltr/agreement references. (c) OLYMPIA vessel-data card (3415_6333BF.jpg): 'Mission Santa Ana', T2-SE-A2, fleet Olympia, built Marinship 1945, 'HULL NO. MC 2698', entered fleet 1-27-55 1340 hrs PST ('Reentered' stamp), reason for lay-up 'MSTS Custody', repairs reference 'See MacMichael Ltr. 10-19-54 to Navy - RE: agreement of 7-1-54'; withdrawn 7-3-56 1500 hrs PST, 'Delivered to Navy - Permanent Transfer'. (d) MA-383 particulars card (3415_6333AF.jpg): AO-137, T2-SE-A2, fleet Suisun Bay, 'HULL NO. MC-2698', 'Perm.Transfer to USMA / USMA - Perm.Layup', entered 'Feb. 25, 1958 1430 hrs PST', withdrawn '1-6-76 1330 PST', reason 'Sold for nontransportation use under PD-X-1001, as amended 12-2-75, to National Metal & Steel Corp. for the lump sum amount of $528,529.19 for 4 ships'; 'MSTS ltr Aug. 15, 1957; Marad reply - Aug. 19, 1957'. (e) MA-20 Record of Ship Sales (3415_AF.jpg): 'MISSION SANTA ANA (AO-137)', PD-X-1001, T2-SE-A2, awarded National Metal & Steel Corp. 12-2-75, 'Purchase Price Lump Sum for 4 $528,529.19', Contract No. MA-8200, molded 503' x 68', gross 10,388 / net 7,296 / DWT 16,492 / draft 30'2", remarks 'Advertised under PD-X-1001 dated 10-17-75 opened 11-20-75 under two condition: (1) NTU (2) SCRAP HULL - US. Award under condition (1) NTU'. (f) Annotation fragments: 3415_6333BB.jpg - 'Arrival Draft: 1-27-55; Fwd. 1'8", Aft 15'1"; Ballast; None by inspection'; 3415_6333CB.jpg - '10388 gr.', 'ship 2', and the handwritten note 'cond report in file' (a vessel condition report existed in the custody file - archival lead).

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-25

   Study period

   1945-1976

   Population

   NDRF custody personnel, Olympia (1955-56) and Suisun Bay (1958-76); buyer's break-yard workforce at disposal (1975-76)

   Limitations

   Official custody and sales records - the strongest sources in this record for MC number, layup/withdrawal timestamps, and sale terms. NEW: the master card documents a Pacific Tankers operating interval (WSA-4942 GAA, 11-7-46 to 1-9-48) that the DANFS narrative omits (it implies continuous Columbia River layup) - carried as a documented correction/addition (see correction row). Cards are custody documents, not material surveys: no asbestos, insulation, hazmat, or condition content ('cond report in file' references a condition report not itself digitized). DWT varies across cards (16,492 sale record / 16,583 Astoria card / 16,765 master card) - minor clerical variance carried, not smoothed. They do not resolve the NVR strike-date conflict (1958 vs shipscribe's '1 Aug 1974'), and they do not name the other three ships in the $528,529.19 four-ship lot.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-04

6. [6]shipscribe.com (S.S. Roberts/T. Colton), 'USNS Mission Buenaventura (T-AO 111, T2-SE-A2) Class' - class narrative, construction table, disposal table, and per-ship notes [other_primary]

   Locator

   AOT111.html - class narrative (A3 order, Ponaganset replacement, 1956 reacquisition), construction table (AO-137 row), disposal table (AO-137 row), Ship Notes block (AO-137, MC 2698)

   Finding type

   vessel_history

   Finding

   Register-derived class compilation records for AO-137: construction row 'MISSION SANTA ANA | Acq 9 Jan 1948 | Marinship | Keel 18 Apr 1945 | Launch 25 Jul 1945 | Svc 9 Jan 1948'; disposal row 'Inact/Cust 1958 | Strike 25 Feb 1958 | Disposal 25 Feb 1958 | Fate MA/T | MA Sale 2 Dec 1975'; ship note (MC 2698): 'Originally USS CONCHO (AO 102, T2-SE-A3 type), cancelled as such 18 Aug 1945 and completed for MC as MISSION SANTA ANA 25 Oct 1945. Acquired in place of AO 86 when the latter broke in half. Due at San Francisco about 8 Jan 1948 under operation for MC by Pacific Tankers, Inc., and delivered 9 Jan 1948 by the Navy back to Pacific Tankers, Inc. for further operation. Active in MSTS 3 Apr 1950. Ordered deactivated 16 Mar 1950 but AO 136 substituted 3 Apr 1950. To MA 27 Jan 1955, stk. 22 Jun 1955, from MA and reinst. 3 Jul 1956. Struck again 1 Aug 1974. To buyer 6 Jan 1976.' Class narrative adds: on 1 March 1945 the MC ordered four more ships (MC hulls 2697-2700) to the new T2-SE-A3 type - 'The last three were completed without these features as T2-SE-A2 type merchant ships after their Navy cancellation on 18 August 1945, soon becoming AO 117, 123, and 137'; 'When PONAGANSET (AO 86) broke in half on 9 December 1947 during reconversion the MC replaced her with AO 137, the Commander of the 12th Naval District being informed on 2 January 1948'; and for the 1956 reacquisition, Commander MSTS's 12 June 1956 letter requested the remaining seven of seventeen T2s in NDRF - 'These ships were T-AO 93, 112, 114, 119, 121, 133, and 137. SECNAV requested the ships from Commerce on 14 June 1956 and Commerce concurred on 28 June 1956.'

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-18

   Study period

   1945-1976

   Population

   NTS/MSTS civilian mariners (1948-50); MSTS civilian mariners (1956-58)

   Limitations

   Specialist register compilation (Roberts/Colton, built from NVR/MC data, drawing on Wildenberg, Gray Steel and Black Oil) - not an official publication, but the most complete timeline source for this hull. Internal conflict: the ship note's 'Struck again 1 Aug 1974' conflicts with its own disposal-table strike of 25 Feb 1958 and with DANFS/NavSource - carried unresolved (see correction row). The deactivation note is telegraphic ('Ordered deactivated 16 Mar 1950 but AO 136 substituted 3 Apr 1950') - the substitution direction is ambiguous but the 3 Apr 1950 out-of-service outcome matches DANFS.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-05

7. [7]Auke Visser T-2 tanker reference, per-hull page 'Concho / Mission Santa Ana' (id476.htm) + 'T2-SE-A3, Tankers built by Marinship Co.' production table (id191.htm) [other_primary]

   Locator

   id476.htm - per-hull data block, history lines, 'Additional Reports' paragraph; id191.htm - T2-SE-A3 production table row (yard 89, MC 2698)

   Finding type

   vessel_history

   Finding

   Specialist T2-tanker reference per-hull record: 'Built by Marinship Co., Sausalito, California. Yardnumber 89. UMSC No. 2698. Off. nr. 248851. Keel laid 18-04-1945. Launched 25-07-1945. Completed 25-10-1945. Gr. 10388 t., Net. 6512 t., Dw. 16556 t. L.o.a. 159,57 m., Br. 20,78 m., Dr. 9,20 m. Lloyds Engine: 2 steam turbines, manufactured by Eliott & Company, Jeanette, Pennsylvania. 7240 B.h.p., 5401 kW. Speed 15 knots. 26 Tanks.' History: 'Launched as CONCHO-1945'; completed for United States Navy San Francisco; chartered to Pacific Tankers Inc.; returned to MC 3 April (1946) for NDRF Columbia River; acquired by the Navy 9 January (1948); T-AO-137 for USN/Dept. of Commerce; MSTS control 1 October (1949); placed out of service (1950), Pacific Reserve Fleet San Diego; transferred to MA for NDRF Olympia, WA; struck 22 June (1955); reacquired 3 July (1956) under charter to Joshua Henry Corp.; placed out of service and struck, transferred to MA for NDRF Suisun Bay 25 February (1958). 'Additional Reports': 'Reported Mission Santa Ana sold to shipbreakers in USA. Arrived Terminal Island Dec. 1975 to be broken up. [National Metal & Steel Corp.]' The T2-SE-A3 production table (id191.htm) places this hull in the last Marinship block: Cohocton (yard 88, MC 2697), Concho/Mission Santa Ana (89, 2698), Conecuh/Mission Los Angeles (90, 2699), Contocook/Mission San Francisco (91, 2700) - footnote: 'No USMC numbers were used for these tankers. However, the order came from the United States Maritime Commission.'

   Verification

   verified

   Role

   supporting

   Documentation level

   ship_specific

   Accessed

   2026-09-18

   Study period

   1945-1976

   Limitations

   Specialist secondary compilation. Asserts T2-SE-A3 machinery (twin Elliott turbines, 7,240 bhp, Lloyds-derived) - conflicting with the GE turbo-electric 10,000 shp spec of NavSource and the A2 tags of DANFS/MARAD; the conflict is carried, not resolved (correction row). The 'Additional Reports' breaking paragraph is reader-reported content - the Terminal Island arrival is consistent with the buyer (National Metal & Steel Corp. was a Terminal Island yard) but rests on a single unverified report. 'Completed for United States Navy' is register shorthand - the Navy acquisition was canceled pre-completion; she was never a commissioned USS. No asbestos information.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-06

8. [8]Corn, Jacqueline Karnell, and Jennifer Starr, 'Historical perspective on asbestos: Policies and protective measures in World War II shipbuilding,' American Journal of Industrial Medicine 11(3):359-373 (1987) [other_primary]

   Locator

   Abstract and article, AJIM 11(3):359-373

   Finding type

   asbestos_application

   Finding

   Peer-reviewed historical study documents that asbestos was used extensively as a fireproofing and insulating material in U.S. shipbuilding during WWII - the era and Maritime Commission program under which this 1945 Marinship tanker was built - and that wartime demand drove unprecedented asbestos utilization aboard merchant-type hulls.

   Verification

   verified

   Role

   context

   Documentation level

   class_or_era

   Accessed

   2026-09-18

   Study period

   1940s era documented; article 1987

   Population

   WWII shipyard workers and ship crews (class context)

   Limitations

   Program/era-level scholarly documentation of asbestos use in WWII shipbuilding generally; does not name this vessel and does not establish that asbestos was or remains aboard this hull, nor quantity, location, condition, exposure, or causation.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-07

9. [9]Fleischer, W.E., Viles, F.J. Jr., Gade, R.L., and Drinker, P., 'A Health Survey of Pipe Covering Operations in Constructing Naval Vessels,' Journal of Industrial Hygiene and Toxicology 28(1):9-16 (1946) - PMID 21016030 [other_primary]

   Locator

   J. Ind. Hyg. Toxicol. 28:9-16 (1946), PMID 21016030 (PubMed record; abstract of record); shipyards.json marinship-sausalito evidence rows

   Finding type

   gov_survey

   Finding

   A wartime U.S. industrial hygiene survey of pipe-covering operations at two Government Navy Yards and two Navy Contract Yards documented amosite asbestos felt and pipe covering ('An important ingredient of pipe covering material used on U.S. Navy vessels is amosite'), plus asbestos cloth and asbestos cement, being cut, mixed, and installed aboard naval vessels - the documented product environment at contract yards of the type and era at which this hull was built (Marinship, Sausalito, 1945). The builder yard is documented in the companion shipyard dataset as an asbestos-era site (marinship-sausalito: USMC Pacific Coast shipyard survey era; EPA CERCLIS CA0001900563 remediation; documented products incl. amosite pipe covering, asbestos boiler block, gaskets, millboard).

   Verification

   verified

   Role

   context

   Documentation level

   class_or_era

   Accessed

   2026-09-18

   Study period

   1942-1945 (survey era); published 1946

   Population

   Construction trades at WWII Navy and contract yards, including Marinship workers on this hull's build (Apr-Oct 1945)

   Limitations

   Yard/era-level documentation - the survey examined two Navy yards and two contract yards anonymized A-D, names neither Marinship nor this hull, and covers the construction workforce, not the ship as built; it establishes the documented product environment for construction-period workers, not asbestos presence on this vessel. The shipyard-dataset record referenced is a companion-database row, not a hull record.

   Atlas source

   true

   Evidence ID

   ev-usns-mission-santa-ana-t-ao-137-08

10. [10]Batch-152 search ledger (this record): NHHC/DANFS via Wayback (legacy danfs/m12 path); NavSource; MARAD ShipHistory Detail 3415 + three read status-card scans; shipscribe AOT111; aukevisser id476/id191; shipbuildinghistory marinship/ao tables; NVR; indexed-web litigation sweeps; CourtListener (swept authenticated 2026-09-21, sl-13) [other_primary]

    Locator

    search_ledger rows sl-usns-mission-santa-ana-t-ao-137-01 through sl-usns-mission-santa-ana-t-ao-137-12

    Finding type

    historical_record

    Finding

    No qualifying ship-specific asbestos record located beyond a single pleading-stage lawsuit: no asbestos survey, abatement contract, hazmat disclosure, court finding, judgment, or adjudicated asbestos case naming this hull under any of its designations (Concho AO-102/MC 2698, SS Mission Santa Ana, Mission Santa Ana AO-137, USNS Mission Santa Ana T-AO-137) was found in the public sources searched (see search_ledger). One docketed asbestos case naming the hull was located in the authenticated CourtListener sweep of 2026-09-21: Koszalka v. Huntington Ingalls Inc. et al. (N.D. Cal. 3:11-cv-04545, filed 2011; MDL-875 tag-along; transferred E.D. Pa. 2:11-cv-67710, terminated 2012-09-24) - a complaint-level allegation only (see ev-usns-mission-santa-ana-t-ao-137-14). No published opinion naming this hull was found; the sole opinion hit (Martin v. Johnson, 88 Cal.App.3d 595 (1979)) is a name collision.

    Verification

    verified

    Role

    negative_finding

    Documentation level

    ship_specific

    Accessed

    2026-09-25

    Study period

    2026-09-18/2026-09-21/2026-09-25

    Limitations

    Absence of a located public record does not prove absence of asbestos aboard - a 1945 high-pressure-steam USMC tanker built at a documented asbestos-era yard is era-consistent with asbestos-containing insulation, and no abatement record was located either. Does not establish presence or absence; does not establish or defeat any exposure claim or legal eligibility. CourtListener coverage updated 2026-09-21: the systematic authenticated docket/opinion sweep ran (sl-13) and located one pleading-stage asbestos complaint naming the hull plus two name collisions; no discovery record, trial finding, judgment, or published opinion names the hull. Negative litigation coverage now rests on both indexed-web checking and the completed authenticated CourtListener sweep. Sweep results spot-rechecked 2026-09-25 (opinion 'Mission Santa Ana' still 1 collision; docket 'Mission Santa Ana' still 2 hits incl. the Koszalka MDL-875 tag-along; 'AO-137' and 'T-AO-137' opinions still 0; 'Koszalka'/'Waygood' opinion searches return no merits opinion).

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-09

11. [11]NARA Guide to Federal Records: RG 178 (U.S. Maritime Commission), RG 248 (War Shipping Administration), RG 19 (Bureau of Ships); MARAD NDRF vessel status cards (three of seven scans read); ship deck logs; MARAD PD-X-1001/MA-8200 contract file [other_primary]

    Locator

    archives.gov record-group guides (RG 178, RG 248, RG 19); MARAD Detail 3415 status-card links; card annotations ('MacMichael Ltr.', 'MSTS ltr Aug. 15, 1957')

    Finding type

    historical_record

    Finding

    Archival leads (not retrieved - requires research-room or reproduction order; no spend authorized): NARA RG 178 Construction Division and Pacific Coast construction records may hold the Marinship contract/outfitting specifications for the Concho/MC 2698 order (incl. the AO-102 Navy-cancellation paperwork of 18 Aug 1945); RG 248 holds War Shipping Administration vessel files covering the 1945-46 Pacific Tankers charter; all seven MARAD status-card scans on ShipHistory Detail 3415 are now read (this record); the annotation fragment 3415_6333CB.jpg records 'cond report in file' - a vessel condition report exists/existed in the custody file and is not digitized; NDRF custody files for the Columbia River (1946-48), Olympia (1955-56), San Diego PRF (1950-55), and Suisun Bay (1958-76) layups exist administratively but are not digitized; the MacMichael letter of 10-19-54 and the MSTS/MA 'agreement of 7-1-54' referenced on the Olympia card would document the 1955 custody arrangement; the PD-X-1001/MA-8200 contract file would name the other three ships in the four-ship sale lot; ship deck logs for the NTS/MSTS eras (1948-50, 1956-58) are at NARA.

    Verification

    unverified

    Role

    archival_lead

    Documentation level

    context_only

    Accessed

    2026-09-25

    Study period

    1945-1976 records

    Limitations

    Record-group mapping only - no box-level retrieval performed; existence of asbestos-specific documents for this hull is unknown until surveyed in person. Nothing in this row is an asbestos finding.

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-10

12. [12]Cross-source reconciliation: DANFS entry (Wayback 20040921115447); NavSource 19137 (Wayback 20240527082717); MARAD Detail 3415 + status cards 3415_6333AF/BF, 3415_AF; shipscribe AOT111 tables/notes; aukevisser id476/id191; shipbuildinghistory marinship.htm + ao.htm [other_primary]

    Locator

    DANFS narrative/spec block vs NavSource 19137 bullets/spec block vs MARAD cards vs shipscribe AOT111 tables/notes vs aukevisser id476/id191 vs shipbuildinghistory marinship.htm/ao.htm rows; Joshua Hendy Corp. v. Moore Dry Dock Co., 126 F. Supp. 808 (operator documentation)

    Finding type

    historical_record

    Finding

    Documented source discrepancies for this hull, carried unresolved rather than smoothed: (a) Laid-down identity - DANFS and NavSource omit it; shipscribe ship note, aukevisser, shipbuildinghistory AO-index and yard table, and usmm.org all record the hull laid down as USS Concho (AO-102, T2-SE-A3), canceled 18 Aug 1945 and completed for the MC as Mission Santa Ana; aukevisser records her 'Launched as CONCHO-1945' - the Navy name still attached at the 25 Jul 1945 launch, 24 days before cancellation. (b) MC hull number - MC 2698 per the two MARAD status cards (official), shipscribe, and aukevisser; 'MC hull 1828' per NavSource and shipbuildinghistory's AO-index - the 1828 belongs to yard 52, an earlier Marinship hull that also carried the name 'Mission Santa Ana' before delivery as Soubarissen (AO-93) (see name-collision row); 2698 adopted. (c) Strike dates - 22 Jun 1955 first strike (all sources concur); second strike 25 Feb 1958 per DANFS/NavSource/shipscribe disposal table vs 'Struck again 1 Aug 1974' per the shipscribe ship note - a final administrative strike before the Dec 1975 sale vs the 1958 out-of-service strike; both carried. (d) Type designation - T2-SE-A2 per DANFS spec block, MARAD record and cards, and NavSource, vs T2-SE-A3 ordered per shipscribe, the aukevisser A3 production table, and shipbuildinghistory (AO-index tags the AO-137 row 'A3'); the hull was ordered as a Navy A3 (Concho AO-102) and completed as an A2 merchant type after the 18 Aug 1945 cancellation; A2 carried in ship_class on DANFS/MARAD authority, A3 documented. (e) Propulsion - NavSource GE turbo-electric 10,000 shp single propeller (A2 template) and shipscribe class block 'turbo-electric 10,000 HP, 2 screws' vs aukevisser Lloyds-derived twin Elliott & Company turbines 7,240 bhp; Wikipedia (not cited) adds a third figure, turbo-electric 6,000 hp - all carried as conflict. (f) Operator name - 'Joshua Henry Corp.' per DANFS and NavSource vs the documented corporate entity Joshua Hendy Corporation (assignee of Pacific Tankers - this hull's operator - per Joshua Hendy Corp. v. Moore Dry Dock Co., 126 F. Supp. 808 (N.D. Cal.); documented operator of sister Mission-class hulls in the same 1956 reactivation program per Mercogliano's MSTS tanker history) - probable transcription artifact carried, not adjudicated. (g) 'Delivered as AO 1-Aug-45' in shipbuildinghistory's AO-index conflicts with the 25 Oct 1945 delivery - a table artifact (the yard table repeats the same odd '1-Aug-45' delivered date for the whole A3 block). (g) DANFS omits an operating interval - the narrative has the ship laid up at Columbia River continuously from 3 Apr 1946 until Navy acquisition 9 Jan 1948, but the MARAD master custody card and the Astoria vessel-data card record her withdrawn from the fleet 11-7-46 and redelivered to Pacific Tankers Inc. under WSA GAA WSA-4942 (Portland/Astoria 9:30am PST), serving under that operator until delivery to the U.S. Navy at San Francisco 1-9-48. The card-documented interval is adopted.

    Verification

    verified

    Role

    correction

    Documentation level

    ship_specific

    Accessed

    2026-09-25

    Study period

    1945-1976

    Limitations

    Resolves publication-level discrepancies by recording both versions with provenance; none of the conflicts affects hull identity (Official No. 248851 and the MC-2698 status-card entries are consistent). No asbestos content in any of these sources; this row supports no asbestos claim.

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-11

13. [13]shipbuildinghistory.com, Marinship yard production table + 'Oilers AO' naval index (ao.htm); shipscribe AOT111 MC-hull list; usmm.org T2-tanker list [other_primary]

    Locator

    marinship.htm yard table rows (yard 52 'Mission Santa Ana'→AO 93 Soubarissen; yard 89 Concho→'Mission Santa Ana (AO 137)'); ao.htm AO-93 and AO-137 rows; AOT111 MC-list line ('MC 1828-31, AO 93-96'); usmm.org/tankers.html

    Finding type

    historical_record

    Finding

    Name-collision documented inside the build records: the Marinship yard table lists yard 52 / MC 1828, original name 'Mission Santa Ana' - a T2-SE-A2 hull (keel 19 Jun 1944, launched 12 Aug 1944, delivered 31 Dec 1944) that was delivered as AO-93 and renamed Soubarissen - while yard 89 (Concho, T2-SE-A3) is the hull completed as Mission Santa Ana (AO-137). shipscribe's class MC list independently assigns 'MC 1828-31' to the Soubarissen class (AO 93-96). Searches on the name 'Mission Santa Ana' in MC/yard data therefore hit two different hulls: NavSource's 'MC hull 1828' for AO-137 and shipbuildinghistory's AO-index row for AO-137 (which prints '1828' and yard '52') both reuse the Soubarissen hull's identifiers - the same conflation pattern documented for sister Mission Los Angeles (yard 54/MC 1830 vs Caney AO-95). usmm.org's tanker list distinguishes this hull as 'Mission Santa Ana (II)'.

    Verification

    verified

    Role

    correction

    Documentation level

    ship_specific

    Accessed

    2026-09-18

    Study period

    1944-1946 records

    Limitations

    Specialist secondary source; used to document the intra-record name collision, not for milestones. The AO-index '52/1828' attribution for AO-137 conflicts with MC 2698 (MARAD cards, shipscribe, aukevisser) and is treated as a conflation artifact - flagged so no milestone or identifier is borrowed from the Soubarissen (AO-93) record.

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-12

14. [14]Joshua Hendy Corp. v. Moore Dry Dock Co., 126 F. Supp. 808 (N.D. Cal. 1954) + Mercogliano, S.R., 'Tankers in the Military Sea Transportation Service (MSTS)' (usmm.org/msts/tankers.html) [court_record]

    Locator

    126 F. Supp. 808 - parties and facts sections; usmm.org/msts/tankers.html - 1956 reactivation and Mission San Miguel grounding paragraphs

    Finding type

    litigation_documented

    Finding

    The operator network that ran this hull is documented in published litigation and maritime scholarship. Joshua Hendy Corp. v. Moore Dry Dock Co. records that Joshua Hendy Corporation was the assignee of Pacific Tankers, Inc. - this hull's 1945-46 and 1948-50 charter operator - and that Pacific Tankers operated U.S. naval tankers under Maritime Commission contract (the case concerned a boom failure injuring a seaman aboard the naval tanker Pecos, a different vessel). Mercogliano's MSTS tanker history records Joshua Hendy Corporation operating sister Mission-class hulls in the same 1956-57 reactivation program that returned this hull to service (e.g., USNS Mission San Miguel, which grounded on Maro Reef). This corroborates that the 'Joshua Henry Corp.' printed by DANFS/NavSource for this hull's 1956-58 charter is very probably the Joshua Hendy Corporation.

    Verification

    verified

    Role

    context

    Documentation level

    class_or_era

    Accessed

    2026-09-18

    Study period

    1948-1957 operations; 1954 opinion

    Population

    Civilian contract-crew mariners aboard government-owned tankers (operator context)

    Limitations

    NOT asbestos litigation and does not name this hull - the Pecos boom-failure case is a different vessel's injury/indemnity dispute, and the MSTS history addresses sister ships. Used for operator-identity documentation only; classified as class/era context per batch discipline. Opinion accessed via a Wayback capture of a Casetext copy (20220620210402); the 126 F. Supp. 808 citation is independently indexed. CourtListener API was unreachable at research time (HTTP 429).

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-13

15. [15]Koszalka v. Huntington Ingalls Incorporated et al., No. 3:11-cv-04545-TEH (N.D. Cal. filed Sept. 13, 2011) - Complaint for Survival, Wrongful Death - Asbestos; filed as MDL No. 875 tag-along attachment doc. 7847-2 (J.P.M.L., filed Sept. 15, 2011); transferred as No. 2:11-cv-67710 (E.D. Pa., filed Oct. 3, 2011), terminated Sept. 24, 2012 [court_record]

    Locator

    CourtListener: MDL-875 docket 1245688, doc 7847-2 (recap-document 386428205, complaint PDF - exposure table p.19); underlying dockets N.D. Cal. 3:11-cv-04545 (docket 5922691) and E.D. Pa. 2:11-cv-67710 (docket 12880636)

    Finding type

    litigation_documented

    Finding

    Qualifying asbestos litigation naming this hull, PLEADING STAGE only. The Koszalka complaint (plaintiff Lisa Koszalka, daughter and successor-in-interest of decedent Bruce Waygood; Brayton Purcell LLP) alleges the decedent sustained asbestos-related lung disease and death by inhalation of asbestos fibers released during handling of asbestos-containing products at his jobsites. Its 'Location of Exposure / Employer / Exposure / Job Title / Dates' table lists 'Pacific Tankers Inc. ... MISSION SANTA ANA (1945) ... Able-Bodied Seaman ... 1/31/47-5/20/47' among roughly twenty employer/vessel entries. Pacific Tankers was this hull's operator during the listed window - the MARAD master custody card (ev-04) documents her redelivery to Pacific Tankers Inc. under WSA GAA WSA-4942 on 1946-11-07 and her delivery to the U.S. Navy 1948-01-09, so the alleged service window 1/31/47-5/20/47 falls inside a card-documented Pacific Tankers operating period (the DANFS narrative omits this interval); '(1945)' matches this hull's build year; the other same-named Marinship hull was delivered as Soubarissen (AO-93) in 1944 and was not a Pacific Tankers 'Mission Santa Ana' in 1947. The case transferred into asbestos MDL-875 (E.D. Pa. 2:11-cv-67710) and terminated 2012-09-24. No published opinion or adjudicated finding names the vessel (opinion search 'Koszalka' returns no relevant result).

    Verification

    verified

    Role

    supporting

    Documentation level

    ship_specific

    Accessed

    2026-09-25

    Study period

    1947 (alleged exposure window); 2011-2012 (litigation)

    Limitations

    PLEADING ALLEGATION ONLY - classified down per litigation-stage discipline. The complaint alleges exposure at ~20 vessels/jobsites including this hull; nothing was adjudicated, and no discovery record, trial finding, or judgment names the vessel. Termination ~11 months after MDL transfer is consistent with settlement, dismissal, or remand; the E.D. Pa. docket-entry detail was not retrievable via the API (docket-entries endpoint returned zero rows for this RECAP docket at sweep time), so the precise disposition is unverified. A multi-site complaint row does not establish that asbestos was aboard this hull - it documents that a claimant alleged it. The operator-window consistency strengthens hull identity only; it does not elevate the allegation past pleading stage.

    Atlas source

    true

    Evidence ID

    ev-usns-mission-santa-ana-t-ao-137-14