Encyclopedia: W56...
Encyclopedia : W : W : W56 (7 articles)
W56The W56 is an American thermonuclear warhead produced starting in 1963 which saw service until 1993, on the Minuteman I and II ICBMs. The W56 was manufactured in a series of models, all the same rough size and 1.2 megaton yield. The Mod-1, Mod-2, and Mod-3 variants weighed 600 pounds, with the Mod..
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