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This CIA document, released through the agency's electronic reading room, is an early-1950s internal memorandum examining the national security dimensions of u…

This CIA memorandum, addressed to the Director of Central Intelligence and signed by Herbert Scoville Jr. (Assistant Director, Scientific Intelligence), offers…

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

According to the releasing agency (U.S. Department of War, sourcing the CIA), this file contains 1952–1953 correspondence and reports from the Scientific Advis…

This declassified Central Intelligence Agency report, marked 'unevaluated information,' recounts a source's account of unidentified flying objects observed ove…

This 178-page file, released by the U.S. Department of War (via war.gov) in release 3 of its UFO document collection, compiles unidentified flying object incid…

This CIA information report, dated 4 February 1953, aggregates unevaluated accounts drawn from French daily and thrice-weekly newspapers published between 3 Ju…

This CIA Information Report, prepared in the USSR foreign-intelligence collection stream, records the unevaluated eyewitness account of a 41-year-old US nation…

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…

A 32-page declassified document from the CIA reading room recording the proceedings of a scientific advisory panel — historically known as the Robertson Panel…

This two-page CIA memorandum, dated 29 May 1953, discusses questions received from Leo (Leon) Davidson directed at Bob Robertson and 'Lloyd' regarding their ac…

This CIA internal memorandum, circulated by buckslip, concerns Dr. Leon Davidson and his latest publication on 'space saucers' titled 'The Air Force and the Sa…

This CIA report, dated 2 September 1952, aggregates unevaluated eyewitness accounts of unidentified flying objects published in French daily newspapers from Da…

Released as part of a U.S. Department of War (war.gov) UAP records disclosure, this 66-page file documents the Federal Bureau of Investigation's Newark Field O…

This two-page CIA internal memorandum, addressed to the Deputy Director for Coordination and signed within the Office of Scientific Intelligence, follows up on…

This CIA Office of Scientific Intelligence memorandum for record, dated 18 December 1952 and signed by H. Marshall Chadwell, Assistant Director of Scientific I…

This unevaluated CIA intelligence report gathers translated newspaper accounts of unidentified flying object ('flying saucer') sightings published in various f…

This CIA document, released through the agency's online reading room, consists of an internal letter dated around 29 May 1958 addressed to a scientist (apparen…

This CIA document, released via the CIA Reading Room, is an internal memorandum framed around three questions concerning UFOs, using the answers as sub-heading…

This declassified memorandum, dated 19 October 1955 and released via the CIA reading room, discusses a reported sighting of two unconventional aircraft. The ob…

This CIA memorandum for record, dated 3 December 1952, recounts the author's meetings the previous morning with Dr. Julius A. Stratton (Executive Vice Presiden…

The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying di…

This unevaluated CIA information report aggregates open-source foreign press accounts of unidentified flying objects and unusual aerial phenomena reported betw…