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. 434 Squadron RCAF
The squadron moved to RAF Croft in December 1943 and re-equipped with Avro Lancaster Mk Is and Mk Xs in December 1944. After VE Day the squadron was earmarked for Tiger Force to carry on the war against Japan, but was never deployed to the Far East. The unit was disbanded at Dartmouth, Nova Scotia on 5 September 1945.