24 EFTS was based at Luton during the early years of the war using the airfield at Barton le Clay as their satellite. See superb photograph of Magisters Post 31 this thread. Many Fleet Air Arm Pilots learnt to fly at Luton thus.
Luton flight training
Also read 'They Gave Me A Seafire' by Commander R Mike Crosley DSC (1986 with later reprint).