General officer brigadier general is brigadier, which is not always considered by these armies to be a general officer rank, although it is always treated as equivalent to the rank of brigadier general for comparative purposes. As a lieutenant outranks a sergeant major; confusion often arises because a lieutenant is outranked by a major. Originally the serjeant major was, exclusively, the commander of the infantry, junior only to the captain general and lieutenant general. The distinction of serjeant major general only applied after serjeant majors were introduced as a rank of field officer. Serjeant was eventually dropped from both rank titles, creating
General of the Air Force the U.S. Army's rank of General of the Army and the U.S. Navy's rank of Fleet Admiral. In foreign militaries, the United States' rank of General of the Air Force has been equated to the rank Marshal of the air force. The only United States Armed Forces rank senior to General of the Air Force is General of the Armies; Admiral of the Navy is also technically senior, but an official comparison between General of the Air Force and Admiral of the Navy has never been made by the United States military. The General of the Armies rank has been