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
Royal Air Force Antarctic Flight from Mawson station. One was lost on the return voyage, but the other served in Antarctica over a number of years until it was sold after the end of the 1958/59 season. Another two Austers were operated by the RAF and RNZAF (as "Auster Antarcticas") as part of the Commonwealth Trans-Antarctic Expedition in 1955-58. Royal Air Force Antarctic Flight The Royal Air Force Antarctic Flight was an independent flight of the Royal Air Force organised to support the Norwegian–British–Swedish Antarctic Expedition in 1949-50. It was the first RAF unit to operate in Antarctica. The Flight was led by Squadron-Leader George