No. 428 Squadron RCAF
No. 428 Squadron RCAF was the ninth long-range heavy bomber Article XV squadron formed overseas during the Second World War at RAF Dalton in Yorkshire, England on November 7, 1942. The squadron was initially assigned to No. 4 Group RAF. With the creation of No. 6 Group RCAF, the squadron was reallocated on January 1, 1943 operating with it until April 25, 1945.
No. 143 Wing RCAF
RAF Second Tactical Air Force was established on 1 June 1943. No. 143 Wing was established on 10 January 1944. It comprised No. 438 Squadron RCAF, No. 439 Squadron RCAF, and No. 440 Squadron RCAF. As a fighter-ground attack unit, its purpose was to support the Canadian and British troops of 21st Army Group.