IV Bomber Command was created in 1941.
IV Bomber Command ended in 1944.
V Bomber Command was created in 1941.
XXI Bomber Command was created in 1944.
RAF Bomber Command was created in 1936.
II Bomber Command was created in 1941.
XXII Bomber Command was created in 1944.
VII Bomber Command was created in 1942.
XIII Bomber Command was created in 1943.
XX Bomber Command was created in 1941.
VI Bomber Command was created in 1941.
XI Bomber Command was created in 1943.
IV Fighter Command was created in 1941.