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. 183 Squadron RAF in preparation for its deployment to the Asia theatre of operations. Before this deployment could happen the war with Japan ended. At the end of World War 2 with the draw down from war-time strength the RAF started to disband and renumber squadrons. Higher numbered squadrons were generally replaced with the lower, and so more senior, squadron numbers with the exception of famous units such as 617 Squadron were disbanded. As a result the squadron was disbanded upon re-numbering as No. 54 Squadron RAF on 15 November 1945. The following have commanded 617 Squadron: No. 183 Squadron RAF No. 183