The puzzle palace: a report on America's most secret agency
Describes and assesses the activities of the National Security Agency, the nation's most secret government agency--established in secrecy, many times larger than the CIA, and in control of a huge budget and a vast technology
27 pages matching Signal Intelligence Service in this book
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activities AFSA Agency's Air Force aircraft American antennas assistant Attorney August began Black Chamber British Buffham building cable Carter Center cipher civilian codebreaking COMINT Command Committee COMSEC Cong cryptanalysis cryptographic cryptologic David Kahn Department deputy director diplomatic DIRNSA documents eavesdropping electronic employees foreign Friedman Papers G Group Gayler GCHQ gence HMCAH Hoover Huston Ibid Inman intelligence community intercept interview July June later Letter Lieutenant listening posts memorandum ment Menwith Hill messages microwave miles military missile mission Mitchell monitoring months National Archives National Security Agency Navy NSA director NSA official NSA's NSAN Office operations organization Pentagon Pine Gap President Puzzle Palace radio Raven Research satellite secrecy Secretary of Defense Senate Service Sess ship SIGINT Signal Intelligence Service signals Soviet station surveillance target telephone tion top secret Tordella traffic U.S. Senate United Washington watch list White House Yardley York