Military rank List view FS Preben Brandt Gustavsen Military rank Airforce Date AC2 Aircraftman Class II RCAF Royal Canadian Air Force 17.07.1941 LAC Leading Aircraftman RCAF Royal Canadian Air Force 22.11.1941 Sgt Sergeant RCAF Royal Canadian Air Force 25.04.1942 FS Flight Sergeant RCAF Royal Canadian Air Force 25.10.1942