File Explorer

This CIA memorandum for the Deputy Director of Central Intelligence (D/CI) provides a chronological review of the Air Force's requests to declassify CIA materi…

This unclassified CIA document (sequence CSB91554381) is a translated/abstracted foreign-press report drawn from the Soviet newspaper Pravda Vostoka. It report…

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

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

This UNCLASSIFIED Foreign Broadcast Information Service (FBIS) report, filed from Abidjan on 25 January 1996 and later approved for release by the CIA in March…

Leading Soviet newspapers and journals have recently begun publishing an increasing number of articles and news reports on sightings of unidentified flying obj…

This declassified CIA memorandum, dated 9 January 1953, addresses the recruitment of two scientists as ad hoc consultants to the Office of Scientific Intellige…

This 406-page CIA History Staff monograph, authored by Gregory W. Pedlow and Donald E. Welzenbach and published by the CIA History Staff in Washington, D.C. in…

This unclassified FBIS document (serial LD2205081590) transcribes a Moscow Domestic Service broadcast dated 21 May 1990 reporting that scientists from the Peop…

This U.S. Air Force fact sheet (95-03), current as of June 1995, describes Project Blue Book, the Air Force program that investigated Unidentified Flying Objec…

According to the U.S. Department of War release (attributed on the hosting page to the Department of State), this two-page memorandum dated July 28, 1952 relat…

This two-page CIA Memorandum for Record, dated 30 January 1953, records a briefing of the Office of National Estimates (ONE) Board concerning Unidentified Flyi…

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…

According to the CIA, this August 1967 document reports on conversations held with Soviet scientists on the subject of unidentified flying objects during a US…

This CIA/OSI memorandum for file, dated 21 January 1953, documents the meeting of an ad hoc scientific advisory panel — later known as the Robertson Panel — co…

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 file is a scanned three-page document hosted in the CIA's public Electronic Reading Room (FOIA/CREST collection). The optical character recognition of the…

This December 1953 memorandum provides a status update on the Air Force's UFO project activities, including ongoing intelligence operations, equipment procurem…

This document is Serial 403 of the FBI Headquarters case file 62-HQ-83894, released by the U.S. Department of War/FBI. According to the releasing agency, the o…

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 CIA office memorandum, dated 31 March 1953 and authored by C. Durant for addressee P.G. Strenz, addresses the administrative handling of Unidentified Flyi…

According to the U.S. Department of War release, this file contains memorandums, correspondence, and forms related to the reporting of information on flying di…

This CIA memorandum for the record, dated 23 February 1967, recounts the 20 February 1967 visit of Dr. Edward U. Condon and four members of his University of C…

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…