• War Department (United Kingdom)
• United States Department of War
  United States Department of War
  The United States Department of War, also called the War Department , was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army...
  
   (1789–1947)

See also

• War Office
  War Office
  The War Office was a department of the British Government, responsible for the administration of the British Army between the 17th century and 1964, when its functions were transferred to the Ministry of Defence...
  
   (17th century–1963), a former department of the British Government
• Ministry of War
  Ministry of War
  A Ministry of War or Ministry for War is an administrative, supply and services agency of an army, as opposed to the entire military establishment. Both Mexico and Brazil both still maintain a War Department for the support of their armies...
  
  , an administrative, supply and services agency of an army
• Ministry of Defence (disambiguation)
• Defence minister
  Defence minister
  A defence minister is a person in a cabinet position in charge of a Ministry of Defence, which regulates the armed forces in some sovereign nations...