USS Isle Royale (AD-29) was a Shenandoah-class destroyer tender named for an island of the Great Lakes.. Isle Royale was launched by Todd Pacific Shipyards, Inc. of Seattle, Washington on 19 September 1945; sponsored by Mrs. Greer A. Duncan; and delivered to the Navy on 2 July 1946 for layup in the San Diego Reserve Fleet.During her period of inactivation, Isle Royale served as …