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DOW-UAP-D097, Project 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.”

Agency
DoW
Release
Release 04
File type
PDF
Document type
Historical case file
Case written up
Yes
Status
Text read
View the file on war.gov

Case files from this document

Sightings tied to this file

DOW-UAP-D097, Project Sign Progress Report, 1948 — UFO Dossier