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• 13:00, 30 July 2024 Robinr78 talk contribs created page Project Orion (Created page with "{{Header|Project Orion 07/24}} NASA artist rendering, from 1999, of the Project Orion pulsed nuclear fission spacecraft Project Orion was a study conducted in the 1950s and 1960s by the United States Air Force, DARPA, and NASA into the viability of a nuclear pulse spaceship that a series of atomic explosions behind the craft would directly propel. Early versions of the vehicle were proposed to take off from the ground; later versions were presented for use only in space...")