"Royal Air Force Fighter Command, 1939-1945." Squadron Leader J W C Simpson DFC, Commanding Officer of No. 245 Squadron RAF, seated in the cockpit of his Hawker Hurricane Mark I, W9145 'DX-L', at Aldergrove, County Antrim, on the day before he shot down his twelfth enemy aircraft. Note Simpson's 'Jester' emblem below the cockpit.