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,
Major general (Australia) Major general (Australia) Major general (abbreviated MAJGEN) is a senior rank of the Australian Army, and was created as a direct equivalent of the British military rank of major general. It is the third-highest active rank of the Australian Army (the rank of field marshal not being held by any currently serving officer), and is considered to be equivalent to a two-star rank. A major general commands a division or the equivalent. Major general is a higher rank than brigadier, but lower than lieutenant general. Major general is the equivalent of rear admiral in the Royal Australian Navy and air