SOURCE DOCUMENT · #353 · PURSUE Release 04Department of War · 1 cases on file · 1948–1948
Document Cover45 pages · Department of War
Source Document #353
Project Sign Progress Report, 1948 — Department of War File
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 art
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