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This document is an English translation of a paper originally published in Atomic Energy Science and Technology (24(1), 92-95, 1990) by researchers at the Chin…

This CIA information report, released through the CIA Reading Room, documents a reported sighting of an unidentified flying object in the Shakhty/Rostov region…

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 unclassified diplomatic cable from the U.S. Embassy in Mexico City, dated September 16, 2023, is a 'Weekly Political Blotter' summarizing Mexican politica…

This file is an FBI FD-302 form — the standard form the Federal Bureau of Investigation uses to record interviews — capturing a 2026 interview with a U.S. Gove…

This file is a collection of U.S. Government memoranda and correspondence relating to “Project Sign,” a 1948 U.S. Air Force program to investigate reports of h…

This file is a U.S. Department of State diplomatic cable transmitted from the U.S. Embassy in Rio de Janeiro, Brazil to the Office of the Secretary of State in…

According to the releasing source, this file is an FBI FD-302 — the standard form the Federal Bureau of Investigation uses to record interviews. The FD-302 doc…

This declassified memorandum from the U.S. Naval Photographic Interpretation Center (NAVPIC), released by the Department of War as part of a 2026 UAP records d…

This document is a U.S. Department of War Intelligence Division (WDGS) SECRET intelligence review, released within the Department of War UAP records collection…

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 (U.S. Department of War), this file contains a memorandum relating to the U.S. Naval Photographic Interpretation Center's ass…

According to the releasing agency, this file is a collection of U.S. Government memoranda and correspondence concerning 'Project Sign,' a 1948 U.S. Air Force p…

This file contains an initial report from the Air Materiel Command regarding Project Sign. Project Sign was a 1948-1949 U.S. Air Force program to investigate t…

Released by the U.S. Department of War as item DOW-UAP-D096, this file contains correspondence concerning Project Blue Book, the U.S. Air Force's UFO investiga…

According to the releasing agency (U.S. Department of War), this document is a War Department General Staff Intelligence Division review assessing incidents in…

This file, released by the U.S. Department of War, contains a U.S. Air Force Air Intelligence Division study titled 'Analysis of Flying Object Incidents in the…

According to the releasing agency (U.S. Department of War), this file is a thumbnail associated with a USAF Air Intelligence Division study titled 'Analysis of…

This is a U.S. Department of State diplomatic cable from the U.S. Embassy in Rio de Janeiro, Brazil to the Office of the Secretary of State in Washington, D.C.…

This file is a scanned handwritten letter released by the U.S. Department of War as item DOW-UAP-D096 within a collection of correspondence relating to Project…

This file, released by the U.S. Department of War in a 2026 UFO records disclosure, is a Department of the Air Force document associated with the USAF Scientif…

This 67-page document is a USAF Air Intelligence Division analysis, 'Analysis of Flying Object Incidents in the United States,' Study No. 203, dated 10 Decembe…

This 7-page document is a translated research article originally published in Atomic Energy Science and Technology 24(1), 92-95 (1990) by Qingli Li and colleag…

This U.S. Air Force fact sheet (95-03), current as of June 1995, describes Project Blue Book, the Air Force program that investigated Unidentified Flying Objec…