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 Pembrey RAF Pembrey Royal Air Force Pembrey or RAF Pembrey was a Royal Air Force station located near the village of Pembrey, Carmarthenshire, north west of Burry Port and south of Carmarthen, Wales. Construction of the airfield for RAF Flying Training Command started in 1937. The airfield opened in March 1939, and by September 1939 the RAF's No. 2 Air Armament School was the first unit to be stationed at the airfield. During the Second World War, RAF Pembrey was the airfield base for many of the period's flying aces, and Wing Commander Guy Gibson of the Dambusters. By May 1940,