PC name.......a lot of people don't know that...........it was the Dept of War for most of our short history.........compared with Iran, Ethiopia, China, India, etc...........who have over 5,000 year history..............we are not even 250 years old .................

The United States Secretary of War, a member of the United States Cabinet, headed the War Department. The National Security Act of 1947 established the National Military Establishment, later renamed the United States Department of Defense.

Superseding agencies: Department of the Army; ...

Department executive: Secretary of War

Child Department: U.S. Army

Dissolved: September 18, 1947; 72 years ago