After the defeat of the Luftwaffe during the Battle of Britain, the Allied air forces turned their attention towards the bombing campaign and preparations for the invasion of France.

For Fighter Command, this meant relinquishing control over approximately half of its squadrons to the newly formed 2 Tactical Air Force. The resulting reorganization saw Fighter Command gain control of several ground units and acquire the title of Air Defence of Great Britain (ADGB) on November 15, 1943. This new command, led by Air Marshal Roderic Hill, consisted of 28 squadrons of day-fighters, nine of night fighters, two intruder squadrons and four air-sea rescue squadrons. Of these 43 squadrons, two were Canadian. Read the rest of the article . . .