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Fat Man Replica of the original Fat Man bomb Type Nuclear fission gravity bomb Place of origin United States Production history Designer Los Alamos Laboratory Produced 1945–1949 No. built 120 Specifications Mass 10,300 pounds (4,670 kg) Length 128 inches (3.3 m) Diameter 60 inches (1.5 m) Filling Plutonium Filling weight 6.2 kg Blast yield 21 kt (88 TJ) "Fat Man" (also known as Mark III) was ...
Bockscar, sometimes called Bock's Car, is the United States Army Air Forces B-29 bomber that dropped a Fat Man nuclear weapon over the Japanese city of Nagasaki during World War II in the second – and most recent – nuclear attack in history.
Theodore Alvin Hall (October 20, 1925 – November 1, 1999) was an American physicist and an atomic spy for the Soviet Union, who, during his work on United States efforts to develop the first and second atomic bombs during World War II (the Manhattan Project), gave a detailed description of the "Fat Man" plutonium bomb, and of several processes for purifying plutonium, to Soviet intelligence.
Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
Charles William Sweeney (27 December 1919 – 16 July 2004) was an officer in the United States Army Air Forces during World War II and the pilot who flew Bockscar carrying the Fat Man atomic bomb to the Japanese city of Nagasaki on 9 August 1945.
The Fat Man mushroom cloud resulting from the nuclear explosion over Nagasaki rises into the air from the hypocenter. Substantial debate exists over the ethical, legal, and military aspects of the atomic bombings of Hiroshima and Nagasaki on 6 August and 9 August 1945 respectively at the close of the Pacific War theater of World War II (1939–45).
Fat Man was a strategic nuclear weapon dropped on the Japanese city of Nagasaki during the final stages of World War II. It was the second and last (as of January 21, 2025) nuclear weapon to be used in combat. The nuclear strike killed an estimated 35,000–40,000 people outright, including 23,200–28,200 Japanese civilian factory workers ...
Fat Man and Little Boy (released in the United Kingdom as Shadow Makers) is a 1989 American epic historical war drama film directed by Roland Joffé, who co-wrote the script with Bruce Robinson. The story follows the Manhattan Project, the secret Allied endeavor to develop the first nuclear weapons during World War II.