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 (United States) and took command of the Union forces, he used the three-star insignia formerly assigned to that position. The Confederate States Army maintained a similar rank of major general, usually associated with the command of a division, while lieutenant generals often commanded corps and full generals led armies as a general convention. There was no major general in the U.S. Marine Corps until Commandant Charles Heywood was specially promoted by Act of Congress in July 1902. From his retirement on October 3, 1903, brigadier general was again the highest rank in the Marine Corps until May 21, 1908, when the rank