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 Canadian Air Force motto of the Canadian Air Force when first formed after the First World War (before it became the Royal Canadian Air Force in 1924) was retained. Though traditional insignia for the RCAF was restored in 2015, there has been no restoration of the traditional uniforms or rank structure of the historical service (apart from a rank of "Aviator", which replaced that of "Private" in 2015). On 17 April 2014, Prime Minister Stephen Harper announced that Canada was dispatching six CF-18s and military personnel to assist NATO in operations in Eastern Europe. The Royal Canadian Air Force has approximately 391 aircraft