Evidence
10 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-10).
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[1]research packet 531-packet.md (2 sources cited) [other_primary]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED (mirror-sourced)
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Limitations
- qualifier: VERIFIED (mirror-sourced)
- Evidence ID
- uss-lsm-121-lsm121-pkt-531-packet-md
-
[2]NavSource Online, Amphibious Photo Archive, USS LSM-121 hull page [other_primary]
- Locator
- Hull page decommissioning and final-disposition chronology
- Finding type
- vessel_history
- Finding
- LSM-121 was decommissioned 22 April 1946 and laid up in the Pacific Reserve Fleet. It was sold in October 1958 to Mason Construction & Engineering Co. of Seattle, Washington, for conversion to a barge; its subsequent fate is unknown. NavSource states that the date of striking from the Naval Register is unknown.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1946-1958
- Limitations
- Establishes decommissioning, reserve lay-up, sale, and stated unknown post-conversion fate; no shipbreaking, hazmat, or asbestos record is supplied.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-05
-
[3]Naval History and Heritage Command, U.S. Pacific Fleet Organization, 1 May 1945 [nhhc_danfs]
- Locator
- LSM Flotilla Twelve / LSM Group Thirty-Five / LSM Division Seventy table
- Finding type
- vessel_history
- Finding
- The official NHHC U.S. Pacific Fleet Organization dated 1 May 1945 lists LSM 121 in LSM Flotilla Twelve, LSM Group Thirty-Five, and LSM Division Seventy.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1945-05-01
- Population
- Ship's company
- Limitations
- This official organization snapshot establishes the listed 1 May 1945 assignment only. It conflicts in group/division detail with the NavSource chronology and does not establish the complete service history, asbestos materials, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-03
-
[4]NavSource Online, USS LSM-121 specifications [other_primary]
- Locator
- Hull page specification block
- Finding type
- historical_record
- Finding
- The live hull page lists 5 officers and 54 enlisted, troop accommodations for 2 officers and 46 enlisted, and two Fairbanks Morse 38D81/8X10 reversible direct-drive diesel engines with hydraulic clutches, 1,440 BHP each at 720 rpm, twin propellers, and 2,800 shp. No steam plant is documented in the cited specifications.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1946
- Population
- Ship's company and embarked troop capacity
- Limitations
- Supports complement and diesel propulsion only. It does not establish any asbestos-containing component; no boiler or steam plant is documented in the cited specifications.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-04
-
[5]Inference from the ship-specific NavSource diesel specification and documented source-review gap [other_primary]
- Locator
- NavSource propulsion block; source-review negative documented in search ledger
- Finding type
- asbestos_application
- Finding
- No ship-specific asbestos survey, product inventory, abatement record, hazmat disclosure, or condition report was located. For a WWII Navy diesel landing ship, machinery or diesel-exhaust insulation, gaskets, packing, electrical insulation, and deck covering are possible class/era application categories, but none is documented aboard LSM-121.
- Verification
- inferred
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-01
- Study period
- 1944-1946
- Population
- WWII Navy diesel landing-ship construction and operating personnel
- Limitations
- These are possible class/era categories, not a finding that asbestos was installed aboard LSM-121. The cited hull page does not identify asbestos or insulation composition; no quantity, location, condition, exposure, or causation is established.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-06
-
[6]Source-review negative across NavSource and NHHC records listed in search_ledger [other_primary]
- Locator
- search_ledger sl-uss-lsm-121-lsm121-01, -02, and -08
- Finding type
- historical_record
- Finding
- The public sources reviewed located no ship-specific asbestos documentation for LSM-121: the live hull page and official NHHC fleet-organization page document identity, service, propulsion, complement, and disposition but do not document asbestos, insulation composition, abatement, a hazmat survey, or a product inventory.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 2026-10-01
- Limitations
- Absence of a located public record does not prove absence of asbestos aboard. This is limited to the reviewed sources and does not establish presence or absence, individual exposure, causation, or legal eligibility; CourtListener was incomplete and is not included in this negative finding.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-07
-
[7]CourtListener API v4 via /Users/charlesfletcher/devin-prompts/cl-auth-search.py [court_record]
- Locator
- search_ledger sl-uss-lsm-121-lsm121-05; helper stderr: authenticated request: type=o query_len=13
- Finding type
- historical_record
- Finding
- No CourtListener litigation classification was completed because the required authenticated helper began the exact-name opinions request but no response was returned before the headless execution window ended. Exact-name and hull-number opinions and docket queries remain an access gap.
- Verification
- unverified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 2026-10-01
- Limitations
- This is not a clean litigation negative. No opinion or docket result was retrieved, and no claim may be classified as qualifying asbestos litigation, other litigation, name collision, or no result from this incomplete sweep.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-08
-
[8]National Archives, Guide to Federal Records, Record Group 24: Records of the Bureau of Naval Personnel [other_primary]
- Locator
- Record-group guide; no box-level or hull-specific retrieval performed
- Finding type
- historical_record
- Finding
- Archival lead only: NARA's guide to Record Group 24 identifies the Records of the Bureau of Naval Personnel, including Navy operational and personnel record pathways. The guide does not identify a retrieved LSM-121 file or asbestos material record.
- Verification
- unverified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-10-01
- Study period
- 1944-1958 records
- Limitations
- Record-group mapping only. It does not establish that LSM-121 records, asbestos documentation, or a particular record series survives or is accessible; no asbestos finding is made.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-09
-
[9]NavSource Online, Amphibious Photo Archive, USS LSM-121 hull page [other_primary]
- Locator
- Hull page chronology
- Finding type
- vessel_history
- Finding
- LSM-121 was laid down 28 October 1944 at Brown Ship Building Co., Houston, Texas; launched 18 November 1944; and commissioned as USS LSM-121 on 13 December 1944, with Lt. George A. Prideaux, USNR, in command.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944
- Population
- Brown Ship Building Co. construction workforce and commissioning crew
- Limitations
- Establishes construction and commissioning identity; the page does not document asbestos, insulation composition, hazmat condition, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-01
-
[10]NavSource Online, Amphibious Photo Archive, USS LSM-121 hull page [other_primary]
- Locator
- Hull page World War II assignment and campaign chronology
- Finding type
- vessel_history
- Finding
- During World War II, LSM-121 was assigned to the Asiatic-Pacific Theater with LSM Flotilla Twelve, LSM Group Thirty-Four, and LSM Division Sixty-Seven; it participated in the Okinawa Gunto operation from 20 April to 18 May 1945 and earned one World War II battle star.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-01
- Study period
- 1944-1945
- Population
- Ship's company and Pacific-theater operating personnel
- Limitations
- Establishes the stated assignment, campaign window, and battle-star assertion; it is not a complete voyage narrative and does not establish asbestos materials, exposure, or causation.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-121-lsm121-02