A graduate of the Naval Academy in the Class of 1942, Lieutenant Commander McWethy served for five years in submarines, including six war patrols in the Pacific. In 1948 he made a flight over the North Pole and from 1949 to 1951 he was Executive Officer of the icebreaker U.S.S. Burton Island and participated in four expeditions to the western Arctic. He is now commanding officer of the U.S.S. Piper (SS 409).