President Harry S. Truman at his desk in the Oval Office, signing H.R. 5632, the National Security Act Amendments of 1949, which converted the National Military Establishment into a new Department of Defense and made other changes in the national security system.
President Harry S. Truman is seated at his desk in the Oval Office, signing H.R. 5632, the National Security Act Amendments of 1949, which converted the National Military Establishment into a new Department of Defense and made other changes in the national security system.