Evidence
8 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-8).
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[1]NavSource Online: Amphibious Photo Archive, USS LSM-207 page - construction dates and side-launch photo caption [other_primary]
- Locator
- Page header specification line; first photo caption (side launch, 29 April 1944)
- Finding type
- vessel_history
- Finding
- USS LSM-207 was built by Dravo Corporation, Wilmington, DE: ordered 6 October 1943; laid down 2 March 1944; side-launched 29 April 1944; commissioned 31 May 1944.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1943-1944
- Population
- Dravo Corp. Wilmington construction trades (1944)
- Limitations
- NavSource is a volunteer secondary compilation drawing on official muster/photographic data, not itself a primary government registry; no individual NHHC/DANFS narrative page exists for this hull (see ev-04, negative finding). Construction dates cross-checked against Allied Warships (uboat.net) ship ID 12806, which lists identical ordered/laid-down/launched/commissioned dates - uboat.net is a secondary aggregator used for cross-check only, not cited as a primary source. Establishes construction/commissioning only; no asbestos, material, or insulation content.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-01
-
[2]NavSource Online: Amphibious Photo Archive, USS LSM-207 page - unit assignment and WWII operational photo captions [other_primary]
- Locator
- Photo captions 2-4 and unit-assignment header line
- Finding type
- vessel_history
- Finding
- Assigned to LSM Flotilla Five (Cdr. W. H. Carpenter, USN), LSM Group Fourteen. Participated in the Iwo Jima operation, 19 February-16 March 1945 (photo caption: 'preparing to beach with Marines, Iwo Jima, February 1945'), earning one battle star for WWII service. Photographed moored with USS LSM-298 at Naval Amphibious Base Little Creek, VA, circa early 1945, and moored at Ford Island, Pearl Harbor, T.H., in September 1945.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1945
- Population
- Ship's crew, 1944-1946
- Limitations
- Flotilla/group assignment and operational dates are sourced from NavSource photo captions and header block; no independent NHHC order-of-battle document was located to corroborate the LSM Flotilla Five/Group Fourteen assignment (see gaps). No combat damage or casualty record was located for this hull at Iwo Jima or elsewhere (cross-checked; contrast ev-04, which documents a sister hull that was damaged). No asbestos or material content.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-02
-
[3]NavSource Online: Amphibious Photo Archive, USS LSM-207 page - commanding officer roster and final disposition line [other_primary]
- Locator
- Commanding-officer table; 'Final Disposition' line
- Finding type
- vessel_history
- Finding
- Commanding officers: LT Richard Allman, USNR (31 May 1944 - 3 September 1945); LT Norman P. Scott, USNR (3 September-9 November 1945); LTJG Lauri A. Antilla, USNR (9 November 1945 - 2 May 1946). Decommissioned 2 May 1946. Struck from the Navy list 3 July 1946. Sold 12 August 1947 to John J. Hay Co., Chicago, IL; final disposition thereafter not documented ('fate unknown').
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1947
- Limitations
- Decommission/strike/sale dates cross-checked against Allied Warships (uboat.net) ship ID 12806 (identical dates); uboat.net used for cross-check only, not as the primary citation. No Naval Vessel Register (nvr.navy.mil) record could be independently consulted to confirm the strike date - direct site access was blocked in this research session (TLS certificate verification failure on repeated attempts); see gaps. No asbestos, abatement, hazmat, or post-sale material-condition content of any kind.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-03
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[4]Batch-6004 search ledger (this record): direct DANFS-mirror probe for LSM-207 vs. sister hull LSM-213 (ibiblio.org); navsource.net operational history [other_primary]
- Locator
- search_ledger rows sl-uss-lsm-207-lsm207-02, sl-uss-lsm-207-lsm207-03
- Finding type
- historical_record
- Finding
- No individual Dictionary of American Naval Fighting Ships (DANFS/NHHC) entry exists for USS LSM-207. Confirmed by direct probe: the ibiblio.org DANFS mirror path that resolves live for sister LSM-1-class hull LSM-213 (damaged by a kamikaze at Okinawa, 22 June 1945, and decommissioned as a result - a hull notable enough to receive its own DANFS page) returns HTTP 404 for the equivalent LSM-207 path. This is consistent with DANFS practice of writing individual narrative entries chiefly for LSM hulls that were renamed, lost, or damaged; LSM-207 was none of these. No combat damage, casualty, or loss record for LSM-207 was located for the Iwo Jima operation or any other deployment.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 2026-10-01
- Limitations
- Absence of a DANFS entry and absence of a damage record are documented negative findings for the public sources searched, not proof that no such record exists anywhere (undigitized deck logs or war diaries may hold additional detail - see ev-08, archival lead). Establishes the absence of combat-loss/incident-level documentation; does not bear on asbestos presence one way or the other.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-04
-
[5]NHHC/DANFS, Oceanside (ex-LSM-175) entry - LSM-1 class type-specification line [nhhc_danfs]
- Locator
- Oceanside DANFS entry, opening class-specification line
- Finding type
- historical_record
- Finding
- Official NHHC/DANFS LSM-1 class type-specification line (recorded under the DANFS entry for class sister USS Oceanside, ex-LSM-175, renamed in 1959): displacement 1,095 tons (full load); length 203'6"; beam 34'6"; draft 8'4"; speed 12.5 knots; complement 59; armament 2x40mm guns; class LSM-1. These figures describe the shared class design, not a hull-specific survey of LSM-207.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-01
- Study period
- 1944 class design
- Limitations
- Direct re-fetch of this URL was blocked in this research session (repeated TLS/connection failures reaching history.navy.mil on every attempt). The class-specification line was captured via search-engine indexing of the live page and corroborated by the identical DANFS house-style abbreviation format (dp./l./b./dr./s./cpl./a./cl.) independently confirmed live at the ibiblio.org DANFS mirror for sister hull LSM-213. Flagged for direct re-verification when network access allows (standing access gap, consistent with prior batches' documented NHHC link rot). Class-level specification only - no asbestos, material, or insulation content; does not establish ship-specific characteristics for LSM-207 beyond shared class design.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-05
-
[6]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 wartime emergency-construction program under which this LSM-1-class hull was built (ordered October 1943; built 1944).
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-01
- Study period
- 1940s era documented; article published 1987
- Population
- WWII shipyard workers and ship crews (class/era context)
- Limitations
- Program/era-level scholarly documentation of asbestos use in WWII shipbuilding generally; does not name this vessel, its builder (Dravo Corporation), or the LSM type specifically, and does not establish that asbestos was or remains aboard this hull, nor quantity, location, condition, exposure, or causation. This hull was diesel-powered with no steam boiler/turbine plant, which narrows the applicable asbestos pathway relative to steam-propelled combatants of the same era to diesel-exhaust lagging, gaskets, packing, and insulation in confined compartments (inferred, not surveyed).
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-06
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[7]CourtListener API v4 searches, type=opinion and type=recap/docket, queries 'LSM-207', '"USS LSM-207"', '"LSM 207"' [court_record]
- Locator
- search_ledger rows sl-uss-lsm-207-lsm207-04 through sl-uss-lsm-207-lsm207-06
- Finding type
- litigation_documented
- Finding
- No qualifying asbestos litigation naming this hull was located. A bigram opinion search for 'LSM-207' returned 26 hits, all name/acronym collisions unrelated to the vessel (e.g., 'L.S.M. General Contractors,' postal-service employment suits, a police-department civil-rights case) - none referenced a Navy vessel, maritime service, or asbestos exposure. Exact-phrase opinion searches for '"USS LSM-207"' and '"LSM 207"' returned zero results. A RECAP/docket search for '"LSM-207"' returned one hit, also a name collision (an unrelated Florida police-department personal-injury removal case with no vessel or asbestos content).
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 2026-10-01
- Limitations
- Absence of a located case does not prove no asbestos exposure occurred aboard this hull or among its crew/yard trades - it means no qualifying docketed opinion or RECAP record was found under these exact search terms. A hull this obscure (never renamed, two-year Navy service, sold for disposal in 1947) is inherently a low-likelihood target for name-searchable litigation naming the specific numbered hull; broader company-level litigation (e.g., against Dravo Corporation as a shipbuilder, or against equipment manufacturers, not searched by hull name) was out of scope for this ship-specific search.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-07
-
[8]National Archives and Records Administration, Military Records guidance - Naval Deck Logs (Record Group 24) and WWII War Diaries, Other Operational Records and Histories (Record Group 38) [other_primary]
- Locator
- archives.gov Naval Deck Logs guidance page; comparable catalog entries for LSM-68 and LSM-469 located via search
- Finding type
- historical_record
- Finding
- NARA holds Logbooks of U.S. Navy Ships and Stations, 1941-1983 (Record Group 24) and WWII War Diaries, Other Operational Records and Histories (Record Group 38), which include digitized deck-log and war-diary material for other LSM-type hulls (e.g., LSM-68 deck logs, 10 September 1944-10 May 1946; LSM-469 deck logs, 17 March 1945-28 August 1946, per NARA catalog records located during this research). No catalog record confirming a digitized deck log or war diary specifically for LSM-207 was located.
- Verification
- unverified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-10-01
- Study period
- 1944-1947 records
- Limitations
- Record-group mapping and comparable-hull examples only - no box/item-level search of catalog.archives.gov was completed for LSM-207 specifically; whether a surviving, digitized deck log or war diary for this hull exists is unconfirmed. NARA's general deck-log guidance notes that small 'in service' (non-commissioned) craft such as LCTs often lack retained logs; LSM-1-class hulls such as this one were commissioned vessels and are a documented partial exception for the WWII era, but that does not by itself confirm LSM-207's own log survives or has been digitized. Nothing in this row is an asbestos finding.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-207-lsm207-08