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According to the releasing agency (U.S. Department of War), this file primarily contains incident reports on Unidentified Flying Objects written in compliance…

This two-page CIA memorandum, signed by H. Marshall Chadwell (Assistant Director, Scientific Intelligence) and addressed to the Chief of the Physics and Electr…

This unclassified extract from the CIA journal Studies in Intelligence, authored by Major Hector Quintanilla, Jr., surveys the history and methodology of offic…

This three-page CIA memorandum, dated 8 December 1953 and originating from the Office of Scientific Intelligence (O/SI), reports on a consultant's review of th…

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…

Released by the U.S. Department of War as item DOW-UAP-D096, this file contains correspondence concerning Project Blue Book, the U.S. Air Force's UFO investiga…

This declassified file, released by the U.S. Department of War in its fourth UAP records batch, gathers reports, memoranda, and correspondence on then-developm…

According to the releasing source page, during STS-80 (November 19 to December 7, 1996) astronauts aboard Space Shuttle Columbia captured a series of three ima…

This document is a U.S. Department of War Intelligence Division (WDGS) SECRET intelligence review, released within the Department of War UAP records collection…

This file is a declassified transcript, transmitted under a 22 March 1949 U.S. Atomic Energy Commission letter (Santa Fe Directed Operations), of a Secret conf…