The NSA was created in a reorganization of US SIGINT/COMINT services, because SIGINT/COMINT during the Korean War had been unsatisfactory. Its primary mandate h

The NSA was created in a reorganization of US SIGINT/COMINT services, because SIGINT/COMINT during the Korean War had been unsatisfactory. Its primary mandate has always been COMINT. https://www.nsa.gov/about/cryptologic-heritage/historical-figures-publications/publications/korean-war/koreanwar-sigint-bkg/#14 https://www.nsa.gov/about/cryptologic-heritage/historical-fi... > The Brownell Committee suggested that the creation of AFSA could be seen as a "step backward," and recommended that the power of the director, AFSA, to centralize COMINT be increased. > In October, Harry Truman authorized a reorganization and renaming of AFSA, and in November, the secretary of defense authorized the replacement of AFSA by the National Security Agency.