Project Blue Book was the code name for the systematic study of unidentified flying objects (UFOs) by the United States Air Force from March 1952 to its termination on December 17, 1969. The project, headquartered at Wright-Patterson Air Force Base, Ohio, was initially directed by Captain Edward J. Ruppelt and followed projects of a similar nature such as Project Sign established in 1947, and Project Grudge in 1949.
Project Blue Book was the code name for the systematic study of unidentified flying objects (UFOs) by the United States Air Force from March 1952 to its termination on December 17, 1969. The project, headquartered at Wright-Patterson Air Force Base, Ohio, was initially directed by Captain Edward J. Ruppelt and followed projects of a similar nature such as Project Sign established in 1947, and Project Grudge in 1949.
Source: Wikipedia "Project Blue Book" · CC BY-SA 4.0
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