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
Marshal of the Royal Australian Air Force Edinburgh was granted the rank. He was present at 50th anniversary celebrations of the Royal Australian Air Force in March 1971 as a marshal of the RAAF; and continues to hold the rank to the present day. Marshal of the Royal Australian Air Force is a higher rank than air chief marshal. Marshal of the Royal Australian Air Force is a direct equivalent of admiral of the fleet in the Royal Australian Navy and field marshal in the Australian Army. The insignia is four light blue bands (each on a slightly wider black band) over a light blue band on