Squadron leader Squadron leader Squadron leader (Sqn Ldr in the RAF ; SQNLDR in the RAAF and RNZAF; formerly sometimes S/L in all services) is a commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence. It is also sometimes used as the English translation of an equivalent rank in countries which have a non-English air force-specific rank structure. An air force squadron leader ranks above flight lieutenant and immediately below wing commander and it is the most junior of the senior officer ranks. The air force rank of squadron leader has a
Ranks of the Royal Australian Air Force the shoulder or chest. The most senior active rank of the RAAF, Air Marshal a three-star rank, is held by the Chief of Air Force. On the occasions that the Chief of the Defence Force is an office of the RAAF, the rank of Air Chief Marshal in awarded to the officer. The rank of Marshal of the Royal Australian Air Force has never been held as an active rank and it is currently held as an honorary rank by HRH Prince Philip, Duke of Edinburgh. Ranks of the Royal Australian Air Force The rank structure of the Royal Australian