Colonel (United States) Colonel (United States) In the United States Army, Marine Corps, and Air Force, colonel () is the most senior field grade military officer rank, immediately above the rank of lieutenant colonel and immediately below the rank of brigadier general. It is equivalent to the naval rank of captain in the other uniformed services. The pay grade for colonel is O-6. The insignia of the rank of colonel, as seen on the right, is worn on the officer's left side (a mirror-image version is worn on the right side, such that the eagle always faces forward to the wearer's front; the
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.