 Also on this unit they operated Bristol Buckmaster Aircraft for Pilot Training, and a number of Boulton Paul Balliol aircraft which basically was an advanced pilot trainer powered by a Rolls Royce Merlin engine.Both the Pilot and Trainee sat side by side in the wide fuselage and the Balliols were used as targets for the Brigand aircraft to practice radar interceptions on.The following units were here during the Second World War