The Armed Forces Special Weapons Project was a United States military agency responsible for those aspects of nuclear weapons remaining under military control after the Manhattan Project was succeeded
Major General Leslie R. Groves Jr. (1947–1948)
Major General Kenneth D. Nichols (1948–1951)
Major General Herbert B. Loper (1952–1953)
Leslie Groves
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Leslie Richard Groves Jr. was a United States Army Corps of Engineers officer who oversaw the construction of the Pentagon and directed the Manhattan Project, the top secret research program that deve
Groves in 1948
Northwest exposure showing construction of the Pentagon, 1 July 1942
Groves ran the Manhattan Project from the fifth floor of the New War Department Building.
Groves (left) and Robert Oppenheimer