Releases / Release 04 / DOW-UAP-D097
Department of WarProject Sign Progress Report, 1948
This file contains an initial report from the Air Materiel Command regarding Project Sign. Project Sign was a 1948-1949 U.S. Air Force program to investigate the nature and origin of unidentified flying objects (UFO). The report details 100 UFO sightings from 1947-1948. The file also contains an article excerpted from “The Aeroplane,” an aviation-focused periodical magazine published between 1911 and 1968, titled “The Biology of the Flying Saucer.”
Catalogue description by the publishing agency.
- Record
- DOW-UAP-D097
- Release
- Release 04 · Jul 10, 2026
- Incident
- 1948 · Various
- Pages
- 45
- Verdict
- not judged yet
- Source
- war.gov ↗
Page by page
The pages and what the AI read on them
The transcription is the page reader's: black bars mark what the government redacted; hatched tags mark personal data we removed.

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