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 Bawtry RAF took it over and it became an RAF command centre. RAF Bawtry did not have its own airfield but instead took advantage of RAF Bircotes, which was located literally next-door. Here the station based a number of communications aircraft. Bawtry Hall served the Royal Air Force from 1941–1984; first as HQ for No. 1 Group, Bomber Command during and after the Second World War, then as Strike Command HQ up to and including the later stages of the Cold War. The famous bombing of the airfield at Port Stanley by Vulcan bombers from RAF Waddington during the Falklands War