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,
General of the Army (United States) General of the Army (United States) General of the Army (abbreviated as GA) is a five-star general officer and the second highest possible rank in the United States Army. A General of the Army ranks immediately above a general and is equivalent to a Fleet Admiral and a General of the Air Force. There is no established equivalent five-star rank in the other federal uniformed services (Marine Corps, Coast Guard, United States Public Health Service Commissioned Corps, and National Oceanic and Atmospheric Administration Commissioned Corps). Often called a "five-star general", the rank of General of the Army has historically been