Military rank Typical army and marine field officer ranks include colonel , lieutenant colonel, major and, in the British army, captains holding an adjutant's appointment. In many Commonwealth countries the field rank of brigadier is used, although it fills the position held by brigadier general in other countries. Naval and coast guard senior officer ranks include captain and commander. In some countries, the more senior rank of commodore is also included. In others lieutenant-commanders, as equivalents to army and marine majors, are considered senior officers. Commonwealth air force senior officer ranks include group captain, wing commander, and squadron leader, where such ranks
Australian Army officer rank insignia Australian Army officer rank insignia Australian Army officers receive a commission from the Monarch, currently Queen Elizabeth II, of Australia, signed by the Governor-General of Australia, acting on her behalf. Rank insignia for commissioned officers is identical to that of the British Army, with the addition of a band containing the word "Australia" beneath the insignia. Officer ranks in the Australian Army are organised into grades for administrative and promotional purposes. The rank grades also give an indication of what that particular officer's role or position may be, although 'rank grade' is not an official term. The ranks are organised