United States Army | British Army | Union Army | 18th United States Congress | Army | Red Army | United States Army Corps of Engineers | Confederate States Army | United States Army Air Forces | Australian Army | Indian Army | French Army | British Indian Army | Provisional Irish Republican Army | Imperial Japanese Army | army | United States Army Reserve | Continental Army | People's Liberation Army | Army of the Potomac | Irish Republican Army | German Army | Canadian Army | Yugoslav People's Army | United States Army Air Corps | People's Liberation Army Navy | Pakistan Army | Territorial Army (United Kingdom) | Soviet Army | Royal Army Medical Corps |
18th Army Group was commanded by General Sir Harold Alexander and came under General Dwight D. Eisenhower, Commander-in-Chief AFHQ.
From 1940 to 1941 he was Commanding Officer 26th Armoured Brigade and then became Director-General Armoured Fighting Vehicles at the War Office He became Brigadier General Staff 2nd Army in 1942 and in 1943 Chief of Staff 18th Army Group, Tunisia and then Chief of Staff 15th Army Group, Italy.
He commanded the combat troops at Finschhafen from August, and in 1945 was attached to 18th Army.