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 Lossiemouth in April 1994 when No. 208 Squadron disbanded. No. 617 Squadron then transferred to Lossiemouth from RAF Marham in Norfolk, with its Tornado GR1Bs. No. 48 Squadron RAF Regiment and their Rapiers left Lossiemouth for RAF Honington on 1 July 1996. Group Captain Graham Miller was station commander between 1995 and 1998 and later achieved the rank of Air Marshal, holding the post of Deputy Commander at Allied Joint Force Command in Naples from 2004 until his retirement in 2008. No. 15 (Reserve) Squadron increased in size in 1999 after the closure of the Tri-national Tornado Training Establishment (TTTE) at