Definition
The Secretary of War was a former cabinet position in the United States, responsible for overseeing the War Department and the nation's military affairs. The position was primarily focused on land-based military operations. Think of them as the chief administrator of the army. They were responsible for organizing, training, and equipping the armed forces. The Secretary of War advised the President on military matters and oversaw the defense of the nation. The position was replaced by the Secretary of the Army and the Secretary of the Air Force after the creation of the Department of Defense in 1947. The responsibilities are now divided to better manage the growing military.