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. 15 Squadron RAF No. 15 Squadron RAF No. 15 Squadron sometimes written as XV Squadron of the Royal Air Force operated the Panavia Tornado GR4 from RAF Lossiemouth. XV (Reserve) Squadron was the RAF's Operational Conversion Unit for the Tornado GR4 which taught pilots how to fly the aircraft and what tactics to use to best exploit the performance of their aircraft and its weapons. No. 15 Squadron was first formed at Farnborough Airfield on 1 March 1915 as a Royal Flying Corps training unit, commanded by Major Philip Joubert de la Ferté. It was mainly equipped with Royal Aircraft Factory B.E.2cs, supplemented