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
General of the Armies of the first presentations of the uniform to Army leadership, the Institute of Heraldry created an insignia chart with officer ranks ranging from Second lieutenant to General of the Armies of the United States. This 21st-century insignia chart, showing both a five- and six-star general officer, was considered unofficial by the Army and was later refined to show insignia only to four-star general. John J. Pershing was the only person in history to hold the rank of General of the Armies while serving on active duty. In 1919, to honor his service in World War I, Congress authorized the promotion