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
Colonel commandant military forces in Victoria. Australian formations, such as the Royal Australian Corps of Military Police and the Royal Australian Regiment (RAR) have Colonel Commandants, a retired soldier whose role is to act as advocate for the troops' interests. This requires visits to wherever the corps or regiment is deployed. In the Bangladesh Army the post of colonel commandant is an honorary post held by the most senior serving member of a corps or regiments, he/she is usually a general officer in the rank of major general and above. The post is found is all corps and regiments of the army.