Files W.F.F. Archive Reports and Research Notes Report on Armed Forces Security Agency (AFSA) In Regard to Organization, Methods, and Arrangements for Processing Plain-Text Traffic for the Production of Communications Intelligence (COMINT) and A Few Comments Thereon by William Friedman, 31 March 1952 (Includes Organizational Charts of AFSA AS Well AS A Report on the Necessity of Plain Text In Cryptanalysis, 28 February 1952), 1952