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This two-page CIA Office Memorandum, dated 3 July 1953, was authored by the Chief of the Physics & Electronics Division of the Office of Scientific Intelligenc…

This declassified CIA document, hosted in the CIA Reading Room (DOC_0000015338), is a compilation of 1952 memoranda, draft National Security Council directives…

This file compiles the records of the CIA Office of Scientific Intelligence's Scientific Advisory Panel on Unidentified Flying Objects, chaired by H. P. Robert…

This two-page declassified document consists of a cover letter and an enclosure describing the Defense Intelligence Agency's interim response to a Congressiona…

SUBJECT: Mestirg with. Air Force Personnel” Concerning Scientific

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…

,4C CIA memter internal memPhysics and Electronics division memto the assistant Director for Scientific Intelligence, dated December 1953, summarizing the curr…

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 1956 CIA Information Report describes flying object sightings reported by a Budapest-based sub-source, including a sketch showing the objects' suspected f…

This memorandum, dated 25 July 1995 and authored by Edwin C. May, Ph.D., catalogs a complete list of experiments conducted at Science Applications Internationa…

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 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 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 four-page redacted PDF, released by the U.S. Department of Energy through the Department of War's UAP disclosure portal, compiles personal correspondence…

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

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 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 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 document is a clipping from the Arizona Republic newspaper reporting on remarks by Dr. James E. McDonald, senior physicist in the Institute of Atmospheric…

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 two-page CIA memorandum, signed by H. Marshall Chadwell (Assistant Director, Scientific Intelligence) and addressed to the Chief of the Physics and Electr…

This CIA correspondence, addressed to MIT Provost Dr. Julius A. Stratton and signed by Assistant Director R. Marshall (H. Marshall) Chadwell, updates the recip…

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…