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
Captain general of the Air Force the Navy "(Armada Española)". This rank is reserved to the monarch as Commander-in-chief. An Air captain general's insignia consists of two command sticks under five four-pointed stars below the Royal Crown and a golden string. The Spanish Air Force as a separated branch of the Spanish Armed Forces was officially established on 7 October 1939, after the Spanish Civil War. Francisco Franco as head of Spanish state and commander-in-chief named himself 1st captain general of the Spanish Air Force. General Ángel Salas Larrazábal, a veteran fighter pilot, has been the only honorary Air captain general (1991-1994). Captain general of the