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.
439 Combat Support Squadron
It was formed as No. 123 (Army Co-operation) Squadron in early 1942 for army training operations in eastern Canada during World War II, being renumbered No. 439 Squadron RCAF in late 1943 when it transferred to England. The squadron briefly flew the Hawker Hurricane before receiving the Hawker Typhoon, flying ground attack missions with the Second Tactical Air Force in support of Allied advances in northwestern Europe from mid-1944 to the end of the war in May 1945.