Possibly RAF Ringway. 1941.
L-R: Maj. M.R. Hope-Thomson (later the C.O. of the 4th Parachute Battalion), Capt. Giles Bromley-Martin (3rd Parachute Battalion & KIA in North Africa), Maj. K.B.I. Smyth (later the C.O of the 10th Parachute Battalion & KIA at Oosterbeek, Holland) and Wing Comd. Norman, RAF.
From the private collection of Robert Hilton
.