Documents / FOIA release
This FBI file gathers correspondence about Project Blue Book. In a January 1977 letter, the Department of the Air Force sent the FBI a UFO Fact Sheet. It says Blue Book ended on December 17, 1969, and found no evidence that UFOs posed a threat, used technology beyond known science or were extraterrestrial, and it lists 12,618 sightings, 701 of them unidentified. The file also contains 1989 letters from the civilian group calling itself 'the new Project Blue Book' to Director William Sessions, plus his reply that UFO investigation was never FBI responsibility.
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UFO FACT SHEET
On December 17, 1969 the Secretary of the Air Force
announced the termination of Project Blue Book, the Air Force
program for the investigation of UFOs.
The decision to discontinue UFO investigations was based
on an evaluation of areport prepared by the University of
Colorado entitled, "Scientific Study of Unidentified Flying
Objects;" areview of the University of Colorado's report by
the National Academy of Sciences; past UFO studies; and Air
Force experience investigating UFO reports during the past
two-decades. .
As aresult of these investigations and studies, and
experience gained from investigating UFO reports since1948,
the conclusions of Project Blue Book are: l! no UFO reported,
investigated, and evaluated by the Air Force has ever given
any indication of threat to our national security; ! there
hasbeen no evidence submitted to or discovered by the Air
Forcethat sightings categorized as"unidentified" represent
technological developments or principles beyond the range of
present day scientific knowledge; and ! there has been no
evidence indicatingthat sightingscategorized as"unidentified
are extraterrestrial vehicles.
withthe termination of Project Blue Book, the Air Force
regulation establishing and controlling the program for invest-
igating and analyzing UFOs was rescinded. All documentation
regarding the former Blue Book investigation has been per-
manently transferred to the Modern Military Branch, National
Archives and Records Service, 8th and Pennsylvania Avenue,
Washington, D.C. 20408, and is available for public review
and analysis.
Attached for your information isthe Project Blue Book
sighting summary for the period 1947-1969. Also included is
alisting of UFO-related materials currently available.
Since the termination of Project Blue Book, no evidence
has been presented to indicate that further investigation of
UFOs by the Air Force iswarranted. In view of the consider-
able Air Forcecommitment of resourcesin the past, and the
extreme pressure on Air Forcefunds at thistime, there is
no likelihood of renewed Air Forceinvolvement inthis area.
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FOIA release, from the fbi-vault collection. The PDF is mirrored here; the original link is above. 13 pages are in the text index: search them above, or from the library's search.