bn:01197105n
Noun Concept
Categories: Fringe physics, History of science and technology in the United States, Spacecraft propulsion, Aerospace engineering organizations, Wright-Patterson Air Force Base
EN
United States gravity control propulsion research  Alien Reproduction Vehicle  United States gravity control propulsion initiative
EN
American interest in "gravity control propulsion research" intensified during the early 1950s. Wikipedia
Definitions
Relations
Sources