sentences:  In 1943, a Belgian pilot from 609 Squadron, Jean de Selys Longchamps, strafed the Gestapo headquarters in Brussels, after flying through the streets at low-altitude.Operation Carthage an air raid on the Gestapo headquarters in Copenhagen, Denmark in March 1945, was led by a Belgian, Wing-Commander Michel Donnet, who had escaped from occupied Belgium in a home-made aircraft.During the course of the war, 1,900 Belgians served in the RAF, Royal Canadian Air Force (RCAF) and the South African Air Force (SAAF).