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
No. 242 Squadron RAF No. 242 Squadron RAF No. 242 Squadron RAF was a Royal Air Force (RAF) squadron. It flew in many roles during the First World War, Second World War and Cold War. During the Second World War, the squadron was notable for (firstly) having a large number of pilots who were either RCAF personnel or Canadians serving in the RAF – to the extent that it was sometimes known, unofficially, as "242 Canadian Squadron", and (secondly) for being as the first squadron to be commanded by Douglas Bader. No. 242 Squadron was formed on 15 August 1918 from the numbers 408,