Source Documents

Browse 5 documents (284 MB) of primary records. Search full text or filter by status, release, original source, produced year, and scope.

Project Blue Book Documents

Documents related to Project Blue Book, the U.S. Air Force program (1952-1969) that investigated reports of unidentified flying objects (UFOs).

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Release 4×

DAF Committee to Review Project Bluebook 1966 1967

DOW-UAP-D092 Release 4 85 pages 23 MB Produced 1966 · U.S. Air Force Released 2026-07-10 · Department of War (war.gov)

USAF Scientific Advisory Board ad hoc committee records reviewing Project Blue Book, 1966-1967.

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Correspondence Relating to Project Blue Book 1955

DOW-UAP-D096 Release 4 220 pages 120 MB Produced 1955 · U.S. Air Force Released 2026-07-10 · Department of War (war.gov)

U.S. Air Force correspondence relating to Project Blue Book from 1955, including a student inquiry.

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These files are archival copies of records published by the U.S. Department of War. Content is reproduced as released.