Commander Air Force's mid-rank officers' ranks are modelled on those of the Royal Navy, the term wing commander is used as a rank, and this is the equivalent of a lieutenant colonel in the army or a commander in the navy. The rank of wing commander is above that of squadron leader and below that of group captain. In the former Royal Naval Air Service, which was merged with the Royal Flying Corps to form the Royal Air Force in 1918, the pilots held appointments as well as their normal ranks in the Royal Navy, and they wore insignia appropriate to
History of the Royal Canadian Air Force History of the Royal Canadian Air Force The history of the Royal Canadian Air Force begins in 1920, when the air force was created as the Canadian Air Force (CAF). In 1924 the CAF was renamed the Royal Canadian Air Force (RCAF) when it was granted the royal title by King George V. The RCAF existed as an independent service until 1968. Prior attempts at forming an air force for Canada were the Canadian Aviation Corps that was attached to the Canadian Expeditionary Force, and a two-squadron Canadian Air Force that was attached to the Royal Air Force. The modern