When the War Department was abolished by the National Security Act of 1947 (61 Stat.
495), July 26, 1947, army G-2 functions and components, including ASA, transferred to Department of the Army in the National Military Establishment.
Security-Classified Records: This record group may include material that is security-classified.
On December 10, 1944, the SSA was transferred operationally to the War Department General Staff, under the Assistant Chief of Staff for Intelligence (G-2), but continued administratively under OCSO until September 15, 1945, when it was redesignated the Army Security Agency and assigned formally to G- 2.
ASA designated as a field activity of newly established Intelligence Division, successor, by WDGS Staff Circular 5-2, War Department, April 19, 1947, to Office of Assistant Chief of Staff for Intelligence.
Intelligence reports and bulletins pertaining to Japanese naval communications (U. Japanese naval radio intelligence summaries, 1942-46.
The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence. Unlike the CIA and the Defense Intelligence Agency (DIA), both of which specialize primarily in foreign human espionage, the NSA does not publicly conduct human-source intelligence gathering.