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. 40 Squadron RAF October 1945, and converted to Avro Lancasters in January 1947, before disbanding in April 1947. The squadron reformed in December 1947 at RAF Abingdon, flying Avro York transport aircraft. Taking part in the Berlin Airlift, it was later stationed at RAF Bassingbourn from June 1949 until disbanding in March 1950. In December 1953, the squadron reverted to the bomber role, reforming with English Electric Canberra B.2s at RAF Coningsby, moving to RAF Wittering and then RAF Upwood before disbanding for what became the last time in February 1957. No. 40 Squadron was later twice slated for reformation, firstly as the