Major-general (United Kingdom) Major-general (United Kingdom) Major general (Maj Gen), is a "two-star" rank in the British Army and Royal Marines. The rank was also briefly used by the Royal Air Force for a year and a half, from its creation to August 1919. In the British Army, a major general is the customary rank for the appointment of division commander. In the Royal Marines, the rank of major general is held by the Commandant General. A major general is senior to a brigadier but subordinate to lieutenant general. The rank has a NATO rank code of OF-7, equivalent to a rear admiral
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: