Project Blue Book

The Air Force's longest-running named investigation of unidentified flying-object reports, now represented by records in National Archives custody.

Active years1952–1969

OwnerU.S. Air Force

Official program recordSources linkedv1

Sources

Open the records used in this review.

These links show what the named institution published or holds. Publication or custody does not independently verify every underlying report or assessment.

National Archives and Records Administration · 2019-11-2050 Years Ago: Government stops investigating UFOs (opens in a new tab)