Highest rank in the Marine Corps. The Commandant of the Marine Corps is a general. The pay grade is O-10 and is designated by four silver stars worn on collar points. The rank is the same in the Army and Air Force. In the Navy, the rank is admiral and is additionally designated by a two-inch gold band and four one-inch gold bands topped by a star on the jacket sleeves. The shoulder boards are mostly gold with a silver foiled anchor and four silver stars.