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
Major (France) rank of Major also designated the general officer () in charge of maintaining the materials and security of a port or naval base, the position was known as the "Major" General of the Arsenals (). In a squadron, the Squadron Major (), was a general officer as Ship-of-the-line captain, and upheld the function of the general staff headquarters of the squadron. The actual organization of the Armies instituted, first in the military hierarchy, a "function" (not a rank) of "Major General" for the ensemble of the Armies or each one of the: Major General of the Armies (), Major General