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. 15 Squadron RAF No. 15 Squadron RAF No. 15 Squadron sometimes written as XV Squadron of the Royal Air Force operated the Panavia Tornado GR4 from RAF Lossiemouth. XV (Reserve) Squadron was the RAF's Operational Conversion Unit for the Tornado GR4 which taught pilots how to fly the aircraft and what tactics to use to best exploit the performance of their aircraft and its weapons. No. 15 Squadron was first formed at Farnborough Airfield on 1 March 1915 as a Royal Flying Corps training unit, commanded by Major Philip Joubert de la Ferté. It was mainly equipped with Royal Aircraft Factory B.E.2cs, supplemented