Military rank Typical army and marine field officer ranks include colonel , lieutenant colonel, major and, in the British army, captains holding an adjutant's appointment. In many Commonwealth countries the field rank of brigadier is used, although it fills the position held by brigadier general in other countries. Naval and coast guard senior officer ranks include captain and commander. In some countries, the more senior rank of commodore is also included. In others lieutenant-commanders, as equivalents to army and marine majors, are considered senior officers. Commonwealth air force senior officer ranks include group captain, wing commander, and squadron leader, where such ranks
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