Thorpe Camp was disbanded on 1 April 1920 after being renumbered, becoming No. 60 Squadron. The squadron was reformed on 16 September 1935 at RAF Catfoss, and later became one of the Pathfinder squadrons in April 1943. Commonly known as the Dambusters, No. 617 Squadron was the squadron that took part in Operation Chastise in May 1943, destroying Nazi factories, mines, and hydro-electric power stations. 617 Squadron was based at RAF Scampton, but often made use of RAF Woodhall Spa during exercises and missions. No. 619 Squadron was a Heavy bomber squadron, initially formed at RAF Woodhall Spa on the 18th April
No. 617 Squadron RAF squadron's entry in "Flying Units of the RAF" by Alan Lake, 617 was allocated the unit identification code MZ for the period April to September 1939, even though the unit did not actually exist at the time. The squadron was formed under great secrecy at RAF Scampton during the Second World War on 21 March 1943. It included Royal Canadian Air Force, Royal Australian Air Force and Royal New Zealand Air Force personnel and was formed for the specific task of attacking three major dams that contributed water and power to the Ruhr industrial region in Germany: the Möhne, Eder