Major general Army, a major general commands a corps of 30,000–40,000 soldiers and is capable of fully independent field operation. Major general Major general (abbreviated MG, Maj. Gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparently confusing phenomenon whereby a lieutenant general outranks a major general while a major outranks a lieutenant. In the Commonwealth and the United States, it is a division commander's rank subordinate to the rank of lieutenant general and senior to the ranks of
Brigadier general Japan, use major general as the equivalent of brigadier general. Some of these armies then use the rank of colonel general to make four general-officer ranks. Mexico uses the ranks of both "General brigadier" and "General de brigada". This gallery displays Air Force brigadier general insignia if they are different from the Army brigadier general insignia. (They usually are.)<br> Note that in many Commonwealth countries, the equivalent air force rank is Air Commodore (and in the Netherlands, it is simply Commodore). The rank of brigadier general (with some local variations) is used in the Argentine Air Force. Unlike other armed