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 Woodhall Spa and with the move of No. 617 Squadron RAF to RAF Waddington the airfield was closed and the site used by No. 92 Maintenance Unit for the storage of bombs. From the late 1950s it was used as a base for Bristol Bloodhound Missiles until 1964 when most of the site was sold off for agriculture or mineral extraction. The former missile site used to be under the control of RAF Coningsby having been used for the servicing of McDonnell Douglas Phantom and Panavia Tornado aircraft engines until finally being mothballed in 2003. 97 Squadron transferred to Woodhall Spa on