Major general (United States) held by the commandant was raised to major general. It remained the highest rank in the Marine Corps until January 20, 1942, when the rank held by the commandant was raised to lieutenant general. Given that the U.S. Air Force evolved from its predecessors, the U.S. Army Air Service, the U.S. Army Air Corps and the U.S. Army Air Forces, the rank of major general in the Air Force coincides with its establishment as an independent service in 1947. Major general (United States) In the United States Army, United States Marine Corps, and United States Air Force, major general is
Major general major-general was reintroduced in the Portuguese Army, Air Force and National Republican Guard in 1999, replacing the former rank of brigadier in the role of brigade commander. As a rank, it had previously been used in the Army only for a brief period (from 1862 to 1864). It is equivalent to the rank of "contra-almirante" (rear-admiral) in the Portuguese Navy. In 2015, the rank of major-general was moved up one level, with the role of brigade commander being assumed by the below rank of brigadier-general. In most of the 19th and first half of the 20th century, major-general was not