Major general (officer rank in Latin America) for more information. In the Canadian Armed Forces, the rank of major-general (MGen) ("major-général" and "Mgén" in French) is both a Canadian Army and Royal Canadian Air Force rank equivalent to the Royal Canadian Navy's rank of rear-admiral. A major-general is a general officer, the equivalent of a naval flag officer. The major-general rank is senior to the ranks of brigadier-general and commodore, and junior to lieutenant-general and vice-admiral. Prior to 1968, the Air Force used the rank of air vice-marshal, instead. The rank insignia for a major-general in the Royal Canadian Air Force is
General of the Armies of the Armies is equivalent to the Admiral of the Navy and is senior to General of the Army, General of the Air Force, and Fleet Admiral. Appointment to the rank or grade of General of the Armies of the United States has a history spanning over two centuries. In the course of its existence the authority and seniority of the rank, and perceptions by both the American public and the military establishment, have varied. The first mention of the rank "General of the Armies" was in an Act of the United States Congress on March 3, 1799. Congress provided: