No. 617 Squadron RAF No. 617 Squadron RAF Number 617 Squadron is a Royal Air Force aircraft squadron, based at RAF Marham in Norfolk. It is commonly known as the "Dambusters", for its actions during Operation Chastise against German dams during the Second World War. In the early 21st century it operated the Tornado GR4 in the ground attack and reconnaissance role until being disbanded in the spring of 2014. The squadron reformed on 17 April 2018, and was equipped at RAF Marham during summer 2018 with the F-35 Lightning II, becoming the UK's first squadron with this advanced V/STOL type. According to the
No. 50 Squadron RAF April 1945. The squadron flew 7,135 sorties during the war with a loss of 176 aircraft. It replaced its Lancasters with Avro Lincolns in 1946, disbanding at Waddington on 31 January 1951. No 50 Squadron re-formed at RAF Binbrook on 15 August 1952, equipped with the English Electric Canberra light jet bomber. It moved to RAF Upwood in January 1956, disbanding on 1 October 1959. The squadron reformed again at RAF Waddington on 1 August 1962 equipped with the Avro Vulcan V bomber, using ex-617 Squadron aircraft made surplus after 617 Squadron re-equipped with Vulcan B.2s. It received Vulcan B.2s