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The Manhattan Project

The Manhattan Project. What was the US plan for ending the Pacific War?. II. Developing the A-Bomb. A. 1939: Germans begin work on atomic bomb (a-bomb) B. 1940: FDR authorizes a secret plan, “ Manhattan Project” to build an A-bomb

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The Manhattan Project

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  1. The Manhattan Project What was the US plan for ending the Pacific War?

  2. II. Developing the A-Bomb A. 1939: Germans begin work on atomic bomb (a-bomb) B. 1940: FDR authorizes a secret plan, “Manhattan Project” to build an A-bomb 1. Led by Gen. Leslie R. Groves & physicist J. Robert Oppenheimer & developed at Los Alamos Ntl Lab in New Mexico 2. could release more energy than 20,000 tons of TNT 3. 07/16/45: “Trinity Test”- 1st bomb called “Gadget” was tested (Alamogordo, NM) Trinity Test

  3. For Against Pros & Cons of dropping the Atomic Bomb

  4. 4. Second bomb was named “Little Boy” C. August 6, 1945: B-29 (bombing plane) named the Enola Gay dropped “Little Boy” on the city of Hiroshima, Japan D. Japan doesn’t surrender. Three days later, a B-29 named Bockscar dropped the third bomb named “Fat Man” on Nagasaki, Japan E. Japan surrenders on August 14th, 1945

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