RELEASE 04 / DOW-UAP-D097
DOW-UAP-D097, Project Sign Progress Report, 1948
- File ID
- DOW-UAP-D097
- Agency
- Department of War
- Release
- Release 04, 10 Jul 2026
- Event date
- 1948 (read as 1948; precision: year)
- Location
- Various
- Type
- Redactions
- None flagged
The official record
Official copy at war.gov
Official summary, as published
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.”
Named in this file
2 namesPeople, programs and institutions from The Legacy Program research board whose names appear in this file, found by exact spelling against a hand-checked list. A match says only that the file names them, not what part they play. People and programs lists every file that names each one.
- Tier B Project SIGN program
Named in the title and the official summary.
First official USAF UFO project (1948-1949)
- Tier A Central Intelligence Agency institution
Named in page 41.
Independent civilian foreign intelligence service; convener of the Robertson Panel
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SHA-256
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