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Date: 2012-04-11 13:45:32Frank Rowlett National Security Agency Central Intelligence Agency Operation Gold Espionage Signals intelligence in the Cold War Signals intelligence in modern history National security Cryptography United States Department of Defense | DOCID: [removed]U)Cryptologic Almanac 50 th Anniversary SeriesAdd to Reading ListSource URL: www.nsa.govDownload Document from Source WebsiteFile Size: 139,45 KBShare Document on Facebook |