War Office

The War Office was a former department of the United Kingdom government. It was formed in 1855 after the Crimean War by the merger of the War Department and the Board of Ordnance, to look after land based military forces and affairs.

The War Office was incorporated into the Ministry of Defence in 1964

War Office Departments

• Department of the Master-General of the Ordnance
• Directorate of Military Operations & Intelligence; - formed 1922

United States War Office

• United States Department of War
• United States Department of the Army
• United States Department of Defense