Manhattan Project

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Manhattan Project

1. (Historical Terms) (during World War II) the code name for the secret US project set up in 1942 to develop an atomic bomb. Also called: Manhattan District

2. (Nuclear Physics) (during World War II) the code name for the secret US project set up in 1942 to develop an atomic bomb. Also called: Manhattan District

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Noun	1.	Manhattan Project - a former United States executive agency that was responsible for developing atomic bombs during World War II executive branch, Executive Office of the President - the branch of the United States government that is responsible for carrying out the laws
	2.	Manhattan Project - code name for the secret United States project set up in 1942 to develop atomic bombs for use in World War II

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Commencing with the 1946 passage of the McMahon Act, which wrapped up the Manhattan Project and the Manhattan Engineering District to establish a civilian Atomic Energy Commission, the history covers the Armed Forces Special Weapons Project from 1947 to 1959, the Defense Atomic Support Agency from 1959 to 1971, the Defense Nuclear Agency from 1971 to 1996, and the Defense Special Weapons Agency from 1996 to 1998, which became a component of the Defense Threat Reduction Agency in 1998.

Defense's Nuclear Agency, 1947-1997

By the fall of 1942, when Bush, Conant, and General Leslie Groves took steps to form the highly secret atomic bomb development program, which was then known as the Manhattan Engineering District (later the Manhattan Project), they had to look no further than Loomis's Rad Lab for a readily available pool of brilliant minds to draw on.

Tuxedo Park: A Wall Street Tycoon and the Secret Palace of Science that Changed the Course of World War II

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