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
Uniforms of the Royal Air Force overtrousers were issued. Although not initially intended it quickly became standard practice for officers and other ranks to attach rank badges to the lapels and wear the nylon jacket in place of the uniform raincoat, as a more practical modern wear. The Royal Air Force ranks and insignia form part of the uniform of the Royal Air Force. Royal Air Force rank insignia were based on combination of those of the Royal Navy officer rank insignia and British Army. For officers (see also RAF officer ranks): For other ranks (see also RAF other ranks): The Royal Air Force has the