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. 42 Squadron RAAF
No. 42 Squadron was formed at Darwin in Australia's Northern Territory on 1 June 1944. In early July the squadron's 50 personnel moved to Melville Bay aboard , arriving there on the 11th of the month. During July No. 42 Squadron was expanded to a strength of 300 personnel, and it received its PBY Catalina flying boats and further personnel in August. The unit conducted its first operation on 27 August when three Catalinas flew patrols searching for shipping.