This file is a CIA internal handbook annex describing the '201 System,' the Agency's method for identifying, filing, and controlling information on persons of…
Archive Index
File Explorer
81 files in the public archive.
This two-page memorandum for the record, dated 8 May 1967, was released through the CIA's electronic reading room. It documents a UFO briefing presented at 070…
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…
SF-2026-001042
Managing the Target Pool Bandwidth: Noise Reduction for Anomalous Cognition Experiments
This nine-page technical paper, dated 23 March 1994 and produced by the Cognitive Sciences Laboratory of Science Applications International Corporation (SAIC)…
SF-2026-001027
Shannon Entropy: A Possible Intrinsic Target Property
This document is a scientific paper prepared by the Cognitive Sciences Laboratory of Science Applications International Corporation (SAIC) in Menlo Park, Calif…
SF-2026-000115
Mexican inventor Miguel Macias proposing atomic-powered 'stratospheric aerostat' (flying saucer) designs
This file is part of the FBI Headquarters case file 62-HQ-83894, which the releasing agency describes as containing investigative records, eyewitness testimoni…
This unclassified FBIS document (serial LD2205081590) transcribes a Moscow Domestic Service broadcast dated 21 May 1990 reporting that scientists from the Peop…
This three-page document is the minutes of a meeting held at 0835 on 21 August 1952 in Mr. Steele's office, with a quorum including Mr. Sullivan (Chairman), Mr…
This top-secret NSA document (Record Number 124-90039-10005), originated by the NSA and carried in FBI files, is dated 07/24/1967 and was released by the Natio…
This declassified CIA cable, released via the CIA Reading Room, reports on a face-to-face contact with Leon Davidson while he was in Chicago for a scientific m…
This declassified memorandum, released by the U.S. Department of War as part of a UAP records release, was written on July 18, 1963 by Maxwell W. Hunter, II, a…
This CIA correspondence, addressed to MIT Provost Dr. Julius A. Stratton and signed by Assistant Director R. Marshall (H. Marshall) Chadwell, updates the recip…
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 CIA memorandum, dated 1 August 1952 and authored by the Acting Chief of the Weapons & Equipment Division, responds to a request for an overall evaluation…
SF-2026-000610
FBI Memorandum on Quintin Pino Machado (124-90141-10015)
This FBI HQ record (Record Number 124-90141-10015, agency file 105-92413-3) is a memorandum dated 11/18/1960 from the SAC, Washington Field Office (WFO, file 1…
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…
This five-page cable from the U.S. Embassy in Moscow to the Secretary of State, drafted October 30, 2001 and signed by Ambassador Vershbow, documents diplomati…
This heavily redacted FBI FD-1057 form records first-hand observations made by two FBI special agents during an ongoing investigation in November 2024 in the n…
This two-page CIA record, released via the CIA Reading Room, concerns photographs of an unidentified flying object captured by Ralph L. Mayher on 16mm movie fi…
SF-2026-000766
1952 CIA Memo on Flying Saucers, ATIC study since 1947
PROTON ET TINT STET: BEPC INT ETOP LTe PRT Te OO CNPC P POR TS OTP TPTE PT ETH
This SECRET memorandum for the record, dated 23 August 1976, records information passed to CIA officer Jon French by the DCD Miami office, originating from an…
This one-page textual record, part of the FBI HQ series within the President John F. Kennedy Assassination Records Collection, is an NSA intercept of a Venezue…
This diplomatic cable, released in full by the U.S. Department of State, documents a UFO report relayed by Tajik Air chief pilot and American citizen Ed Rhodes…
This file is an FBI/NSA record from the JFK Assassination Records Collection, released by the National Archives on March 18, 2025. According to the identificat…
