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 Carlisle The station was unusual within the RAF as there were no other ranks or NCOs stationed at RAF Carlisle, only a small cadre of 12 - 15 RAF Supply Branch officers who controlled a civilian workforce of storekeepers and warehousemen. RAF Carlisle was just one in a chain of several Maintenance Units forming RAF Support Command, later to become RAF Logistics Command in 1994. Logistics Command was faced with a contracting airforce that had less airfields, less aircraft and less personnel. The logical answer was a reduction in the number of maintenance units and 14 MU was the farthest flung