Former United States Executive Departments

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 responsibility for naval affairs from 1794 until the establishment of the Department of the Navy in 1798, and for most non-naval air forces until the creation of the Department of the Air Force on September 18, 1947.

military department within the Department of Defense of the United States of America

military department within the Department of Defense

military department for the United States Air Force and the United States Space Force

former executive department of the United States government; split into two departments in 1913

former US federal department (1872–1971)

defunct United States federal executive department