No. 5 Group RAF effective squadrons of Bomber Command, personified by No 617 Squadron the "Dambusters", formed from 5 Group aircrew in March 1943. Most of the group's main airfields were around Lincoln, including RAF Scampton. By the end of the war the group had grown to 15 squadrons. The group was noted for its high accuracy bombing, being involved the sinking of the "Tirpitz" in November 1944 and the shattering of the strategic Bielefeld railway viaduct in March 1945. The Group introduced new weapons operationally, including Barnes Wallis's "bouncing" and his Tallboy and Grand Slam "earthquake" bombs. The group was disbanded on 15
RAF Yatesbury Yatesbury village. There were two airfields, East Camp and West Camp, each with buildings and hangars; two target areas were marked out. Training continued until 1919, then squadrons were sent to Yatesbury to be disbanded. The station closed in 1920 and returned to farmland. Part of the west site was operated from 1936 by the Bristol Aeroplane Company as a civilian flying school (No. 10 Elementary Reserve & Flying Training School) where trainees were prepared for service in the RAF or the Reserve, using Tiger Moth aircraft. Guy Gibson, leader of the famous "Dambusters" raid (Operation Chastise) of 1943, took