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 Hemswell Bawtry in 1987 and entire Married Quarter sites also nearby at RAF Scampton, RAF Finningley and RAF Cranwell. Throughout the years of operation, RAF Hemswell's mascot and motto were a large weasel rearing-up on its hind legs ready to strike and the words "Bold and Tenacious" emblazoned over (or under) it. Hemswell was used as a substitute for RAF Scampton in the ground-based filming of the 1954 film "The Dam Busters" as the wartime layout of both Scampton and Hemswell was similar in many places. The film "Night Bombers" remains the best known filmed record of what RAF Hemswell looked