Evidence
5 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-5).
-
[1]NHHC photograph catalog NH 99235, Wreck of USS F-1 [nhhc_danfs]
- Locator
- Description; original caption dated October 1975
- Finding type
- vessel_history
- Finding
- NHHC identifies USNS De Steiguer (T-AGOR-12) as a U.S. Navy oceanographic research ship. Its October 1975 photograph caption credits the ship with locating and filming the wreck of F-1 during an aircraft search.
- Verification
- partial
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-24
- Limitations
- Official catalog text was available through the search index; live page retrieval failed (502/404). This supports documented Navy operations, not asbestos, personnel exposure, or delivery dates. Citation type denotes NHHC, not a DANFS biography.
- Atlas source
- true
- Evidence ID
- ev-usns-de-steiguer-01
-
[2]NAVSEA Ship History, 28 June 2011 [other_primary]
- Locator
- Printed page 7, AGOR 0012 row
- Finding type
- vessel_history
- Finding
- NAVSEA lists AGOR 0012, De Steiguer, with removal date 2 November 1992 and final disposition FMS GRANT.
- Verification
- partial
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-24
- Limitations
- Indexed official table text only; full PDF retrieval blocked (403). Removal is not relabeled commissioning, decommissioning, or physical transfer. This row does not establish recipient, present location, or present condition.
- Atlas source
- true
- Evidence ID
- ev-usns-de-steiguer-02
-
[3]GAO HRD-80-2, Navy Efforts To Protect Workers From Asbestos Exposure, 18 October 1979 [gao]
- Locator
- Highlights, Navy policy paragraphs
- Finding type
- asbestos_application
- Finding
- GAO described Navy asbestos-insulation replacement policy: in 1975 replacement addressed damaged insulation or removal needed for repairs; a 1979 change added selective replacement in high-maintenance areas.
- Verification
- verified
- Role
- supporting
- Documentation level
- class_or_era
- Accessed
- 2026-09-24
- Limitations
- Era-level policy context only. GAO fieldwork concerned Long Beach and Norfolk naval shipyards. The accessed product-page summary does not identify De Steiguer or establish any asbestos product, installation, repair, exposure, or yard visit aboard this hull. Full report not relied upon.
- Atlas source
- true
- Evidence ID
- ev-usns-de-steiguer-03
-
[4]NARA Ship Plan Index [other_primary]
- Locator
- Three DE STEIGUER rows; preserved HTML extract in research/batch-9523
- Finding type
- historical_record
- Finding
- NARA indexes De Steiguer plans in Record Group 19: T-AGOR-12 Portfolio Plans (559596); AGOR-12 Hull series of Ship Engineering Drawings (153713510); AGOR-12 Portfolio Plans (175662069).
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-09-24
- Limitations
- Index entries verified in downloaded official HTML. Identifiers are index-linked catalog identifiers; the underlying plans were not retrieved. No material composition or asbestos content is established.
- Atlas source
- true
- Evidence ID
- ev-usns-de-steiguer-04
-
[5]Codex batch 9523 search ledger and retained authenticated-helper logs [other_primary]
- Locator
- search_ledger; research/batch-9523/RESEARCH.md and cl-* files
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos documentation was located in the bounded searches recorded here. The authenticated exact-name CourtListener opinion query returned zero results; the litigation sweep remains incomplete because shared pacing blocked continuation.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-24
- Limitations
- Search outcome only, not evidence of absence of asbestos or litigation. Name docket search was blocked, hull opinion attempt was stopped while waiting after the pacing notice, and hull docket search was not run. No individual exposure, causation, or legal eligibility conclusion is supported.
- Atlas source
- true
- Evidence ID
- ev-usns-de-steiguer-05