Royal Australian Air Force it was decided by the Air Board that the RAAF would adopt the rank structure that had been implemented in the RAF the previous year. As a result, the RAAF's rank structure came to be: Aircraftsman, Leading Aircraftsman, Corporal, Sergeant, Flight Sergeant, Warrant Officer, Officer Cadet, Pilot Officer, Flying Officer. Flight Lieutenant, Squadron Leader, Wing Commander, Group Captain, Air Commodore, Air Vice Marshal, Air Marshal, Air Chief Marshal, Marshal of the RAAF. In 1922, the colour of the RAAF winter uniform was determined by Williams on a visit to the Geelong Wool Mill. He asked for one dye dip fewer
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