Example image of eyePlorer eyePlorer map for 'War Office': British Army Her Majesty's Government Ministry of Defence (United Kingdom) London Council of war England Board of Ordnance Admiralty Air Ministry Royal Navy Secretary at War William Blathwayt Horse Guards (building) Whitehall Cumberland House Pall Mall, London Charles II of England Commander-in-Chief of the Forces Foreign and Commonwealth Office Home Office Northern Department Southern Department Secretary of State for War Colonial Office Cabinet (government) Crimean War Cardwell Reforms Edward Cardwell, 1st Viscount Cardwell Prince George, Duke of Cambridge Second Boer War Chief of the General Staff (United Kingdom) Chief of the Imperial General Staff Army Council (1904) H. H. Asquith Herbert Kitchener, 1st Earl Kitchener World War I 1920 1930 April 1 Neville Chamberlain Ministry of Defence (1947–1964) Winston Churchill Clement Attlee List of national archives Baroque architecture Trapezoid Adjutant-General to the Forces Chaplain General Directorate of Military Intelligence Master-General of the Ordnance