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. 113 Squadron RAF in Britain. No. 113 Squadron RAF No. 113 Squadron began service in 1917 with the Egyptian Expeditionary Force commanded by General Edmund Allenby. Initially, the squadron was a unit of the Royal Flying Corps, serving during the Sinai and Palestine Campaign and as a reconnaissance, army cooperation, bomber, fighter, transport and missile operation squadron during its existence. No. 113 Squadron was formed on 1 August 1917 at what became RAF Ismailia, Egypt, as a corps reconnaissance and army co-operation unit, taking over duties of trench reconnaissance from No. 1 Squadron Australian Flying Corps, otherwise known as 67 (Australian) Squadron RFC.