
Bockscar, sometimes called Bock`s Car, is the name of the United States Army Air Forces B-29 bomber that dropped the Fat Man nuclear weapon over the Japanese city of Nagasaki during World War II in the second – and the last – nuclear attack in history. One of 15 Silverplate B-29s used by the 509th, Bockscar was built at the Glenn L. Martin Ai....
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http://en.wikipedia.org/wiki/Bockscar

the U.S. B-29 bomber that dropped the atom bomb on Nagasaki, Japan, on Aug. 9, 1945.
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https://www.infoplease.com/dictionary/bockscar
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