RCAF Station Jarvis Belgian trainee graduated. Women were admitted to the Royal Canadian Air Force in 1941 as members of the Women's Division - the "WDs". The first WDs, 70 in number, arrived at Jarvis on 27 April 1942, and within six months airwomen were serving in many areas of the station including the control tower, the bomb plotting office, the kitchens, and the stores. Airwomen were not permitted to serve as aircrew. A key member of the famous "Dambusters" (No. 617 Squadron RAF) trained at Jarvis: RCAF navigator, Harlo “Terry” Taerum. In May 1943, in Operation Chastise, commonly known as the "Dambusters
No. 421 (Reconnaissance) Flight RAF No. 421 (Reconnaissance) Flight RAF No. 421 (Reconnaissance) Flight was a specialist RAF fighter flight created on 21 September 1940 to patrol the Channel and provide early warning of the types of incoming Luftwaffe raids from occupied France. It was later expanded to full squadron strength and renumbered as No. 91 Squadron on 11 January 1941. Its role led to its pilots being nicknamed "Jim Crows". In late September 1940, Air Chief Marshal Hugh Dowding was faced with two problems. The first was a change in Luftwaffe tactics. Until then the main daylight striking force had been the German bombers,