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 general general. Before 1943, Soviet colonel generals wore four stars on their collar patches (). Since 1943, they have worn three stars on their shoulder straps, so Charles Pettibone compares the rank to the US lieutenant general. The rank still exists in the contemporary Russian Army and Air Force. Unlike the German (which it most probably calqued), the Soviet and Russian colonel general rank is neither an exceptional nor a rare one, as it is a normal step in the "ladder" between a two-star lieutenant general and a four-star army general. Other than that, the Soviet and Russian rank systems sometimes