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 West Ruislip RAF West Ruislip RAF West Ruislip was a Ministry of Defence site, located in Ickenham within the London Borough of Hillingdon. The base was originally built as a depot for the Royal Air Force (RAF), split by what is now the Chiltern Main Line. North of the railway was RAF Blenheim Crescent, which housed the RAF Records Office and the depot's original personnel accommodation. The site was leased to the US Air Force in 1955, followed by the US Navy in 1975, eventually housing the Navy Exchange of the U.S. Naval Activities, United Kingdom command, and the Navy's Morale, Welfare