Captain Rush graduated from the Naval Academy in the class of 1941. After serving in the destroyer, Clark, he entered the submarine service and made war patrols in the Pacific Theater in the submarines, Thresher and Bill- fish. After the war, he took post-graduate training in guided missiles and received the degree of Aeronautical Engineer from California Institute of Technology, then served as executive officer of the submarine, Carbonero, which was fitted to launch and guide missiles.
Captain Rush later commanded the submarines Queenfish and Blackfin, after which he was officer-in-charge of the Submarine Prospective Commanding Officers’ School in Pearl Harbor. He was Head of the Submarine Weapons Systems Section in the Office of the Chief of Naval Operations and is currently a student of the Industrial College of the Armed Forces.