Project Magnet may refer to:
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Project Magnet (UFO), a Canadian unidentified flying object (UFO) study
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Project Magnet (USN)
Project Magnet was a major geomagnetic survey effort from 1951 through 1994. The project originated in the U.S. Navy Hydrographic Office, renamed the U.S. Naval Oceanographic Office (NAVOCEANO), supporting world magnetic modeling and charting. The ...
, a U.S. Navy geomagnetic survey project using aircraft and ships 1951–1994
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