The Australian Defence Force (ADF) is the military organisation responsible for the defence of the Commonwealth of Australia and its national interests. It consists of the Royal Australian Navy (RAN), Australian Army, Royal Australian Air Force (RAAF) and several "tri-service" units. The ADF has a strength of just over 85,000 full-time personnel and active reservists and is supported by …

The word 'Australia' appears immediately below all rank insignia worn on the shoulder or chest. The most senior active rank of the RAAF, Air Marshal – a three-star rank, is held by the Chief of Air Force. On the occasions that the Chief of the Defence Force is an officer of the RAAF, the rank of Air Chief Marshal is awarded.