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  • (cur | prev) 20:20, 21 April 2012 Davidboslaugh (Talk | contribs) (561 bytes) (Captain Joseph N. Wenger was in charge of the codebreaking division of OP-20G from February 1942 to July 1949. During this time, among many other tasks he directed development of codebreaking devices including the American Bombe machines used to break bac)