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
120 Squadron Royal Netherlands Air Force 120 Squadron Royal Netherlands Air Force 120 Squadron was a Netherlands East Indies Air Force unit which was later re-raised part of the Royal Netherlands Air Force. The squadron was first formed in December 1943 as part of the Royal Australian Air Force (RAAF), and saw combat in and around New Guinea during 1944 and 1945 equipped with P-40 Kittyhawk fighters. No. 120 Squadron was transferred to the Netherlands East Indies Air Force in 1946 and attacked Indonesian forces during the Indonesian National Revolution. It was disbanded in 1950 as a result of the Dutch–Indonesian Round Table Conference , but