Unverified
This file is a collection of U.S. Government memoranda and correspondence relating to “Project Sign,” a 1948 U.S. Air Force program to investigate reports of h…
U.S. Department of WarAug 8, 2026document39.0 MB
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USAFCIAFBI
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6 files in the public archive.
Unverified
According to the releasing agency, this file is a collection of U.S. Government memoranda and correspondence concerning 'Project Sign,' a 1948 U.S. Air Force p…
U.S. Department of WarIncident 1947image173.0 KB
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U.S. Department of WarProject SIGNAir Materiel Command
Unverified
According to the releasing agency (U.S. Department of War), this file is a thumbnail associated with a USAF Air Intelligence Division study titled 'Analysis of…
U.S. Department of WarIncident Dec 10, 1948image95.2 KB
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U.S. Air Force Air Intelligence DivisionU.S. Department of WarStudy No. 203, Analysis of Flying Object Incidents in the United States
Unverified
This 67-page document is a USAF Air Intelligence Division analysis, 'Analysis of Flying Object Incidents in the United States,' Study No. 203, dated 10 Decembe…
U.S. Department of WarIncident Dec 10, 1948document12.9 MB
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U.S. Department of WarSoviet Union (U.S.S.R.)USAF Air Intelligence Division
Unverified
This file, released by the U.S. Department of War, contains a U.S. Air Force Air Intelligence Division study titled 'Analysis of Flying Object Incidents in the…
U.S. Department of WarIncident Apr 28, 1949document14.4 MB
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U.S. Department of WarOffice of Naval IntelligenceKenneth Arnold
Unverified
This image is a page from DOW-UAP-D094, a USAF Air Intelligence Division study titled 'Analysis of Flying Object Incidents in the United States,' Study No. 203…
U.S. Department of WarIncident Apr 28, 1949image119.1 KB
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U.S. Air Force Air Intelligence DivisionU.S. Department of WarUnidentified Flying Objects