The following is a list of Australians who have attained air marshal rank within the Royal Australian Air Force (RAAF); that is, service personnel who have held the rank of air chief marshal (four-star rank), air marshal (three-star rank) or air vice-marshal (two-star rank). The Royal Australian Air Force was established in 1921 as a separate branch of the Australian military forces. The service was modelled after the Royal Air Force—formed three years earlier—and adopted the same ranking system. Richard Williams, regarded as the "father" of the Royal Australian Air Force, was the service's first member to obtain air-officer rank on being promoted to air commodore (one-star rank) in 1927; he went on to become the first air vice-marshal (1935) and air marshal (1940). In 1965, Sir Frederick