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B83 nuclear bomb


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B83 Nuclear Weapon - full control panel - long version


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The B83 thermonuclear weapon is a variable-yield unguided bomb developed by the United States in the late 1970s, entering service in 1983. With a maximum yield of 1.2 megatonnes of TNT, it is the most powerful nuclear free-fall weapon in the United States arsenal. It was designed at Lawrence Livermore National Laboratory, and the first underground test detonation of the production B83 took place on 15 December 1984 in Nevada at Area U19ac.
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