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
Bangladesh Air Force directorates headed by directors of group captain/air commodore rank. Under each director there are deputy directors (DD) headed by wing commanders and staff officers (SO) with rank of squadron leader and below. Trades of Bangladesh Air Force are: Branches of Bangladesh Air Force are: BAF Headquarters is located in Dhaka Cantonment. There are numerous bases set up all over the country. BAF Base Khademul Bashar Dhaka, BAF Base Bangabandhu Dhaka, BAF Base Zahurul Haque Chattogram and BAF Base Matiur Rahman Jashore are named after National as well as Air Force heroes. Other major bases are BAF Base Pahar Kanchanpur Tangail