FBI Detroit field office — flying disc and UFO case files (1942–1957)
FBI Detroit field office investigative files 100-DE-26505 and 100-DE-18221, covering early-Cold-War flying disc and UFO reports across Michigan and the Great Lakes region. Released by the Department of War in PURSUE Release 01.
An FBI memo from 1958 reporting a UFO sighting by a Detroit man who described a "circular object with a crystal-type dome," and recommending that the information be forwarded to "proper air force authorities."
**Released as part of PURSUE Release 01 (May 8, 2026).** The Department of War published the following primary-source records:
- **65_HS1-101634279_100-DE-18221_Serial_844** (FBI, 2058-04-17 · Detroit, MI) — 1 page.
Source integrity: SHA-256 `17e13c53b0cc0c31…`
- **65_HS1-101634279_100-DE-26505** (FBI, 2057-11-07 · Germany) — 15 pages.
Source integrity: SHA-256 `d71c2f57a9f173b5…`
*Skeleton import — comprehensive narrative analysis pending. Sources are linked above; OCR-extracted text from the page images is available in the [PURSUE Open Atlas dataset](https://huggingface.co/datasets/alex-zhang42/ufo-pursue-open-atlas) (CC0).*
- 65_HS1-101634279_100-DE-18221_Serial_844FBI via PURSUE Release 01 (May 8, 2026)
- 65_HS1-101634279_100-DE-26505FBI via PURSUE Release 01 (May 8, 2026)
- UFOs: Generals, Pilots, and Government Officials Go on the RecordLeslie Kean
- In Plain Sight: An Investigation Into UFOs and Impossible ScienceRoss Coulthart
- UFO: The Inside Story of the US Government's Search for Alien Life Here—and Out ThereGarrett M. Graff
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