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This two-page intelligence extract, produced by the U.S. Army Foreign Science and Technology Center and appearing in 'Highlights of Foreign Ground Combat Devel…

This 10-page document, released by the CIA on 11 August 2000, is Enclosure 1 of unclassified material aggregating open-source Soviet and Russian press reportin…

This declassified NSA Technical Journal essay by cryptologist Lambros D. Callimahos discusses the scientific premise that extraterrestrial intelligence likely…

This document is a technical report from the Cognitive Sciences Laboratory (Science Applications International Corporation) and SRI International, both in Menl…

This six-page proceedings paper by Thorwald C. Franke, presented at the 2008 Atlantis Conference, argues that Herodotus' Histories are a crucial resource for e…

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

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 file is a Central Intelligence Agency Inspector General 'Report of Inspection of MKULTRA/TSD' dated 26 July 1963, released by the National Security Archiv…

This CIA-released document is an internal memorandum written by Edwin C. May, Ph.D., of the Cognitive Sciences Laboratory at Science Applications International…

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

This three-page CIA-released memorandum, dated 25 July 1995 and faxed on 27 July 1995, was authored by Edwin C. May, Ph.D., of the Cognitive Sciences Laborator…

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 unevaluated CIA foreign-document report, distributed 20 August 1953, translates a Morgon-Tidningen article (Stockholm, 13 July 1953) datelined Copenhagen,…

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…

i PEMORANDUY FOR RECORD SUBJ Flying Saucers Prodl 1. Ab an informal discussion between Poy, “AD/IG, “and Acting GY AD/SI, it was agreed that_the saucer v prodl…

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