This CIA correspondence, addressed to MIT Provost Dr. Julius A. Stratton and signed by Assistant Director R. Marshall (H. Marshall) Chadwell, updates the recip…
Archive Index
File Explorer
125 files in the public archive.
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 two-page CIA internal memorandum, addressed to the Deputy Director for Coordination and signed within the Office of Scientific Intelligence, follows up on…
SF-2026-000837
CIA Memorandum on Flying Saucers (26 March 1956)
This CIA memorandum, dated 26 March 1956, was authored by Robert Amory, Jr., Deputy Director/Intelligence, and addressed to the Assistant Director/Scientific I…
This document is a heavily OCR-corrupted CIA correspondence letter, apparently dated May 1953, addressed to 'Dr. Luis W. Alvarez' at the University of Californ…
SF-2026-000709
Project MK-ULTRA — Intellipedia Article
This document is a CIA Intellipedia (classified internal wiki) article titled 'Project MK-ULTRA,' approved for release on 2018/12/12 (C06760269). The page, las…
SF-2026-000145
1955 Intel Report from Budapest on Flying Saucers
This 1956 CIA Information Report describes flying object sightings reported by a Budapest-based sub-source, including a sketch showing the objects' suspected f…
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 CIA memorandum for record, authored by F.C. Durant, recounts a 1430-hour telephone call to Dr. John A. Wheeler at Princeton, New Jersey. Durant thanked Wh…
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…
s ie CENTRAL INTELLIGENCE AGENCY REPORT NO. OO-w-29903 - INFORMATION FROM . FOREIGN DOCUMENTS OR RADIO BROADCASTS = CD NO. --
This two-page CIA internal memorandum, dated April 1958 and released via the CIA Reading Room, records discussions about answering letters concerning Unidentif…
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…
SF-2026-000781
CIA Letter to Dr. Lloyd V. Berkner on Declassification of the Robertson Panel UFO Report
This CIA document is a letter to Dr. Lloyd V. Berkner regarding the report of the Scientific Advisory Panel on Unidentified Flying Objects, convened in January…
This declassified CIA Intelligence Information Report, dated 10 April 1972, consists of edited abstracts from a letter received from a reliable US colleague wh…
This document is an excerpt from the Apollo 17 Crew Debriefing for Science, held January 8, 1973, at the Manned Spacecraft Center in Houston, Texas (document n…
This four-page redacted PDF, released by the U.S. Department of Energy through the Department of War's UAP disclosure portal, compiles personal correspondence…
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
SUBJECT: Mestirg with. Air Force Personnel” Concerning Scientific
This three-page Office Memorandum, dated 8 August 1955, was authored by the Chief of the Physics and Electronics Division (P&E) of the CIA's Office of Scientif…
This document is a clipping from the Arizona Republic newspaper reporting on remarks by Dr. James E. McDonald, senior physicist in the Institute of Atmospheric…
SF-2026-001039
STARGATE Congressionally Directed Action: Interim Response to Senate Armed Services Committee
This two-page declassified document consists of a cover letter and an enclosure describing the Defense Intelligence Agency's interim response to a Congressiona…
SF-2026-000431
NASA-UAP-D022, Gemini 9 Debriefing, 1966
This document, published by the U.S. Department of War within its UFO/UAP release series, compiles NASA memoranda and correspondence surrounding the Gemini IX-…
This CIA document is a letter addressed to Dr. Thornton Page, a member of the Scientific Advisory Panel on Unidentified Flying Objects convened in January 1953…
