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Includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and oth…

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

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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…

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

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…

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 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 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…

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…

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, this file is an initial progress report produced by the Air Materiel Command concerning Project Sign, a 1948–1949 U.S. Air F…

This image is a page from DOW-UAP-D094, a USAF Air Intelligence Division study titled 'Analysis of Flying Object Incidents in the United States,' Study No. 203…