Squadron leader a flying squadron is usually commanded by a wing commander, with each of the two flights under a squadron leader. However, ground-operating squadrons which are sub-divisions of a wing are ordinarily commanded by a squadron leader. This includes squadrons of the RAF Regiment and University Air Squadrons. The rank insignia consists of a thin blue band on a slightly wider black band between two narrow blue bands on slightly wider black bands. This is worn on both the lower sleeves of the tunic or on the shoulders of the flying suit or the casual uniform. Squadron leaders are the lowest
Ranks of the Royal Australian Air Force Ranks of the Royal Australian Air Force The rank structure of the Royal Australian Air Force (RAAF) has been inherited from the Royal Air Force (RAF). The RAF based its officer ranks on the Royal Navy, and its airmen ranks on the British Army. Unlike the RAF, RAAF rank abbreviations are always written in uppercase without spaces (e.g. Pilot Officer is written as PLTOFF, not Plt Off). Also, the RAAF does not have the ranks of Senior Aircraftman, Junior Technician, Chief Technician or Master Aircrew. The rank insignia is very similar to that of the RAF, with the exception of