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. 428 Squadron RCAF
In January 1944, Halifax bombers from No. 428 Squadron participated in the first high-level mining raid "Gardening", when mines were dropped by parachute from 15,000 feet (4,570 m) over Brest on 4/5 Jan and Saint-Nazaire on 6/7 Jan 1945. The squadron flew its last sortie with the Halifax on June 12, 1944, then converting to the Canadian-built Avro Lancaster (B. Mark X), the first sortie taking place on June 14, 1944.