Field officer rank category (OF-3 to OF-5) of the Russian Imperial Army and Navy until 1917. The British Army (in which these officers are called officers of field rank), and some others in the Commonwealth (including the Australian Army and New Zealand Army), also include the brigadier in this category: the equivalent in other armies is a general officer (the brigadier general). Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel: Field officer A field officer, field-grade officer, or senior officer is an army,
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.