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 Andover viable long-range electronic navigation system, of a kind that is today used routinely worldwide. Between the wars, the airfield housed a number of RAF units, including from 1919 the RAF School of Navigation, as No. 2 School of Navigation and Bomb Dropping was retitled. The RAF Staff College was founded here on 1 April 1922, to provide staff training to selected officers, and eventually moved to the Bracknell in 1970. The formation of the Royal Air Forces Association followed a conversation in 1929 in the Sergeants’ Mess of RAF Andover. RAF Andover continued to be used for a variety of