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'''Little Boy''' was the codename of the first [[atomic bomb]] used against Japan in World War II. It was air-dropped onto [[Hiroshima (city)|Hiroshima]] on 6 August 1945, destroying the city in the same way as [[Nagasaki (city)|Nagasaki]] in a second strike three days later. The Japanese surrendered on 14 August to end the Second World War.


'''LITTLE BOY''' was the code name for the first [[nuclear weapon]] used in warfare, which was dropped on the [[Japan|Japanese]] city of [[Hiroshima]] on August 6, 1945. While the military headquarters for Southern Japan, soon to invaded if the [[Second World War]] continued, was near the center of the blast, the bomb caused extensive civilian casualties and damage to the city. There were at least 70,000 immediate fatalities, with long-term mortality of at least 100,000.
==References==
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The weapon itself was a first-generation [[fission device]], weighing 9700 pounds, and having an explosive yield of between 15 and 18 kilotons.  It used the gun-type rather than implosion technology, soon to be considered obsolete, and its fissionable material was <sub>235</sub> [[uranium]].
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Little Boy was the codename of the first atomic bomb used against Japan in World War II. It was air-dropped onto Hiroshima on 6 August 1945, destroying the city in the same way as Nagasaki in a second strike three days later. The Japanese surrendered on 14 August to end the Second World War.

References

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