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
Dave Shannon for the Dambusters memorial at Woodhall Spa near RAF Scampton. His wife Ann died in 1990, and he married artist Eyke Taylor in a civil ceremony at Camberwell, London, on 19 July 1991. On 8 April 1993, shortly before a planned fiftieth anniversary reunion of surviving Dambusters, Shannon died at Denmark Hill, London, following a stroke, and was buried beside Ann at Clifton Hampden, Oxfordshire. The last of the nine pilots who took part in the first wave of the dams raid, he was survived by his second wife and his daughter by Ann. On 17 May 2008, the sixty-fifth