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 85-page compilation, released by the U.S. Department of War as part of its UAP records release, documents the work of the USAF Scientific Advisory Board's…

According to the releasing agency (CIA, via the U.S. Department of War UAP release), this memorandum documents a 1955 CIA analysis of reports describing 'flyin…

This four-page redacted document, released by the U.S. Department of War (Agency: CIA) on 10 July 2026, reproduces Sections 1–4 of a 1955 CIA memorandum analyz…

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 monograph, authored by NRO historian Gerald K. Haines and released via a Black Vault FOIA-related archive, chronicles CIA engagement with the UFO phenomen…

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

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

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

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…

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

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

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…

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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…

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 two-page CIA internal memorandum, dated April 1958 and released via the CIA Reading Room, records discussions about answering letters concerning Unidentif…

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…

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