William F. Friedman NSA Archive - United States Communications Intelligence Board (USCIB) 29.3/50 Memorandum for the Members of USCIB, Program for the Improvement of Allied (NATO) Communications Security, 8 August 1955

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Files W.F.F. Archive Panel, Committee, and Board Records United States Communications Intelligence Board (USCIB) 29.3/50 Memorandum for the Members of USCIB, Program for the Improvement of Allied (NATO) Communications Security, 8 August 1955

Program for the Improvement of Allied (NATO) Communications Security

Document A4045873

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