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,
Army General (Soviet rank) is comparable to NATO OF-9 level and equivalent to the UK and US ranks of general; Soviet and current Russian rank systems also have a marshal rank. The corresponding naval rank is admiral of the fleet, which has been used in both the Soviet and Russian navies, although conferred much more rarely. "Army general" was used for the infantry and marines, but in the air force, artillery, armoured troops, engineer troops and signal troops the ranks of marshal of the branch and chief marshal of the branch (also on OF-9 level) were used. The contemporary Russian Army retains the rank