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 rank of the United States Army was that of two-star major general. Within the United States Navy, three- and four-star ranks continued into the 20th century, leading to the creation of the Admiral of the Navy rank in 1899. George Dewey was appointed this rank which, at the time of its creation, was considered a four-star admiral with an added honorary title. A comparison between Admiral of the Navy and General of the Armies was first made in 1944, although the rank of Admiral of the Navy was never declared equal in seniority. During World War I, the United States