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
General of the Armies active grade in the U.S. Army again became major general, with all lieutenant generals and generals (except for Pershing) reverted to this permanent rank of major general. Pershing then retired from the United States Army on September 13, 1924, and retained his rank on the U.S. Army retirement rolls until his death in 1948. Four-star generals were reauthorized in 1929, starting with Charles Pelot Summerall. Pershing at this time was no longer on active duty, but his rank was regarded as senior to a full general outside the regular promotion tier. On December 14, 1944, the United States Army established