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. 490 Squadron RNZAF
490 (NZ) Squadron Royal Air Force was formed 28 March 1943 with Royal New Zealand Air Force aircrew at Jui near Freetown in West Africa (present Sierra Leone) under Wing Commander D.W. Baird. Equipped with PBY Catalinas, the squadron was tasked with maritime patrol and search and rescue. Its first operation was convoy escort on 2 July 1943. In August the squadron rescued its first seamen, and damaged its first U-boat.