United States Department of War
United States Cabinet department (1789-1947)
The United States Department of War, also called the War Office, was the department of the United States government's executive branch responsible for the operation and maintenance of land (and later air) forces from 1789 until September 18, 1947, when it became part of the National Military Establishment, renamed on August 10, 1949, the Department of Defense. The War Department also had responsibility for the young nation's naval affairs until the establishment of the Navy Department in 1798.
Wikimedia Commons has media related to United States Department of War.
This short article about the United States can be made longer. You can help Wikipedia by adding to it.