The United States Department of War, also called the War Department, was the United States Cabinet department responsible for the operation and maintenance of the United States Army. It also had respo
The State, War, and Navy Building in 1917
The United States Department of Defense, also referred to as the Department of War, is an executive department of the United States federal government charged with coordinating and supervising the Uni
United States Department of War
…Act of 1947, it split into the Department of the Army and the Department of the Air Force (which, together with the Department of the Navy, formed the National Military Establishment). In 1949, the National Military Establishment was renamed the Department of Defense. The Department of War traces its origins to the committees created…
An aerial view of the Pentagon
President Truman signs the National Security Act Amendment of 1949
A December 2013 Department of Defense organizational chart
Joint Chiefs of Staff and Joint Staff organizational chart