Files W.F.F. Archive Panel, Committee, and Board Records United States Communications Intelligence Board (USCIB) Memoranda, Compromise of Codewords, 1952-1954
Code Word Compromised; Msg to DIRAFSA
Codeword for Analytic Methods
Codeword for Analytic Methods
Codeword Stamps; Memorandum for the Members of USCIB
Codeword Stamps; Memorandum for USCIB Members
Memo Routing Slip: Alfred Marcy, Col. Signal Corps Chief of Staff, Expressing Concern Over Increasing Number of Code-Word Violations
Memo Routing Slip: from Mr. Friedman Addressing the Outcome of A USCIB Security Committee Study
Memo Routing Slip: Mr. Friedman Request to Be Notified About Changes to Proposed Paper to Security Committee
Memo Routing Slip: Question Addressed to Mr. Friedman
Memo Routing Slip: William Friedman Comments on Philosophy of BRUSA Policy Regarding Changing the Codeword Regularly or When A Compromise Has Been Declared
Memorandum for the Chief of Staff; Subject: Compromise of Codewords; AFSA Memo
Memorandum for the Members of USCIB; Subject: Codewords
Memorandum for the Members of USCIB; Subject: Compromise of Codeword and Associated Information
Memorandum for the Members of USCIB; Subject: Introduction of New Codeword
Memorandum for the Members of USCIB; Subject: Introduction of New Codeword
Memorandum for the Members of USCIB; Subject: Preparations and Exchange of Reports on Possible Compromises of COMINT Successes
Memorandum for: Executive Secretary, USCIB; Subject: USCIB 13.4/6-Codeword Stamps
Office Memorandum; Subject: Separate Codeword for Cryptanalytic Methods
Rept of Poss Compromise of Top Secret Code Word "Canoe"; Msg from USA 54a to AFSA