Alternate Title: P.L. 253: National Security Act of 1947
"An Act to promote the national security by providing for a secretary of Defense; for a national Military Establishment; for a Department of the Army, a Department of the navy, and a Department of the Air Force; and for the coordination of the activities of the National Military Establishment with other departments and agencies of the Government concerned with the national security."
Public Law 253; P.L. 253; S. 758
Government Printing Office: http://www.gpoaccess.gov/fr/inex.html