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
Royal Thai Air Force of the Royal Thai Air Force's Special Combat Operations Squadron, was formed in the late 1970s and are based near Don Muang Airport and provide anti-hijacking capabilities. They have three assault platoons, each divided into two sections. The Royal Thai Air Force Combat Group is divided into 11 wings plus a training school, plus a few direct-reporting units. First set up in 1913 in the same year as the Air Force, providing nursing services only, and over the years has gradually expanded. It operates Bhumibol Adulyadej Hospital and Royal Thai Air Force Hospital in Bangkok, as well as smaller hospitals