Insignia
The insignia worn on the uniform is three light blue bands (each on a slightly wider black band) over a light blue band on a black broad band. Australian air chief marshals may also fly an officer distinguishing flag. For air chief marshals this comprises five horizontal stripes which from top to bottom are coloured: dark blue, light blue, red (double thickness), light blue and dark blue with four stars imposed in a line on the red stripe. ==Australian air chief marshals==
Australian air chief marshals
With the establishment of the Australian Air Board on 9 November 1920, Australian Air Corps officers dropped their army ranks in favour of those based on the Royal Air Force. However, it was not until 1965, when Frederick Scherger became Chairman of the Chiefs of Staff Committee and was promoted to air chief marshal, that an RAAF officer attained the rank. Throughout the history of the RAAF, only four of its officers have held the rank: ==See also==