OP-20G/Definition

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< OP-20G
Revision as of 18:50, 30 October 2008 by imported>Howard C. Berkowitz (New page: <noinclude>{{Subpages}}</noinclude> Signals intelligence organization of the U.S. Navy in the Second World War; its Army counterpart was the Signals Intelligence Service)
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OP-20G [r]: Signals intelligence organization of the U.S. Navy in the Second World War; its Army counterpart was the Signals Intelligence Service