Major general a "sojang" typically commands a fleet. They both can operate an independent field operation. In the Republic of Korea Air Force, a "sojang" is typically the head of a command headquarter and a "junjang", one rank lower than "sojang", takes charge of operations. A Republic of Korea Marine Corps "sojang" commands a division and the South Korean Marine Corps is organized under the Navy. In the New Zealand Army, major-general is the rank held by the chief of army (formerly the chief of general staff). The more senior rank of lieutenant-general is reserved for when an army officer holds the
Field officer Field officer A field officer, field-grade officer, or senior officer is an army, Marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer. In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents. Some countries also include brigadier in the definition. Historically, a regiment or battalion's field officers made up its command element. In the Canadian Armed Forces, the equivalent of field officers are senior officers (); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks