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,
Comparative army officer ranks of the Americas Comparative army officer ranks of the Americas Rank comparison chart of all armies and land forces of North and South American states. Warrant Officers (WO) and Chief Warrant Officers (CWO) in the US Military rank below officers but above officer candidates and enlisted servicemen. The first warrant officer rank, WO1 does not have a "commission" associated with it, instead having a "Warrant" from the Secretary of the Army. Warrant officers are allowed the same courtesies as a commissioned officer, but may have some restrictions on their duties that are reserved for commissioned officers. Warrant officers usually receive a commission once