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. 630 Squadron RAF by Bomber Command on the German capital during what became known as the "Battle of Berlin". The units first operation was the night of 18/19 November 1943 when 9 of its Lancasters bombed Berlin and its last bombing sortie was 25 April 1945 with 5 Lancasters bombing Berchtesgaden. Its last military operation was minelaying in Onions area (Oslofjord off Horten) on 25/26 April 1945. Following April 1945 the squadron became involved in Operation Exodus: ferrying POWs back to Britain, finally disbanding on 18 July 1945. No. 630 Squadron RAF No. 630 Squadron RAF was a heavy bomber squadron of the