the west end. German engineers began immediately to build a pontoon bridge. The attack met intense anti-aircraft fire, but the mission was accomplished, much of the success being due to the coolness and resource of the pilot Flying Officer Garland of the leading aircraft and the navigation of Sergeant Gray. Notwithstanding the success of the mission, the leading aircraft and three others did not return. Flying Officer Garland and Sergeant Gray were both posthumously awarded the Victoria Cross. No. 12 Squadron returned to England in June. It was stationed initially at RAF Finningley in South Yorkshire, before moving to RAF Binbrook in Lincolnshire during July 1940, when it was refurnished with Battles. Amongst other missions, the squadron carried out anti-invasion strikes against shipping in Boulogne Harbour in northern France, most notably on 17 and 19 August. The squadron was one of the last No.1 Group units to conduct operations with Fairey Battles. These took place on 15/16 October 1940, when No. 301 (Polish) Squadron bombed Boulogne and Nos. 12 and 142 Squadrons bombed Calais. By November 1940, the squadron had been re-equipped with the Vickers Wellington medium bomber, remaining for the time being at RAF Binbrook. The squadron moved again in 1942, to RAF Wickenby also in Lincolnshire, and soon after converted to operate the Avro Lancaster a heavy bomber. Cold War In 1946, No. 12 Squadron re-equipped with the Avro Lincoln, another heavy bomber. In 1952, the squadron joined the jet-age and re-equipped with the English Electric Canberra jet bomber. After 44 years continuous service the squadron was again disbanded on 1 July 1961. On 1 July 1962, the squadron was re-formed to operate eight Avro Vulcan V bombers equipped with Yellow Sun one megaton free-fall strategic nuclear bombs for medium to high altitude release. The squadron initially operated Vulcans from RAF Coningsby in Lincolnshire and then later from RAF Cottesmore in Rutland. The advent of effective Soviet surface-to-air-missiles made high-flying bombers vulnerable, and in late 1966 the squadron took delivery of eight WE.177B strategic nuclear laydown bombs for low-level penetration missions. It was assigned to Supreme Allied Commander Europe (SACEUR) as part of the UK strategic nuclear forces deployed with that 450 kt weapon, that was intended as a temporary stop-gap until the UK Polaris force began to take over the strategic nuclear delivery role. The squadron stood down from this role on 31 December 1967. It was