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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 t…

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…

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…

This 205-page PDF is Section 7 of the FBI's central UFO case file (62-HQ-83894), released by the U.S. Department of War / FBI. According to the releasing agenc…

This 116-page compilation, released by the U.S. Department of War, gathers correspondence and investigative documentation from the Armed Forces Special Weapons…

According to the releasing agencies, this is a 1971 Australian Department of Defence intelligence and scientific review of the United States Air Force Project…

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According to the releasing agency, this file is an initial progress report produced by the Air Materiel Command concerning Project Sign, a 1948–1949 U.S. Air F…

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…

This UNCLASSIFIED FBIS London cable (serial LD2209194992), transmitted 22 September 1992 and approved for release by the CIA in 2003, reports on a Russian-lang…

According to the releasing agency, this file is a transcript of a 1949 conference convened at Los Alamos Scientific Laboratory (now Los Alamos National Laborat…

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

This file is Section 5 of the FBI's central UFO/flying-disc case file, 62-HQ-83894, published by the U.S. Department of War (via war.gov) as part of a UAP reco…

Approved For Release 2007/10/19 : CIA-RDP99-00498R000100110020-9

This two-page CIA Office of Scientific Intelligence memorandum, dated 15 March 1949, is addressed to Dr. Machle from Dr. Stone and concerns the subject of 'Fly…

This CIA memorandum, marked Confidential/Secret and dated 27 January 1978, was authored by H. Clark Schor, Chief of the Plans and Review Group of the Central C…

This document is a book review published in the CIA's Studies in Intelligence (Vol 58, No. 3, Extracts, September 2014) by Jay Watkins, assessing Annie Jacobse…

This 214-page PDF is Section 4 of the FBI's central-records UFO case file 62-HQ-83894 (serials 131–185), part of a larger file the releasing agency describes a…

This document set comprises an Evaluation Study of the Phenomenon (Flying Saucers) and associated internal Army routing slips, memoranda for record, and coordi…

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