Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.

United States National Security Council
Joint Chiefs of Staff
United States Air Force
United States Department of Defense
Central Intelligence Agency
Law of the United States
National Security Act of 1947
Harry S. Truman
Cold War