170602-N-TA321-227 PUGET SOUND, Wash. (June 02, 2017) The Ohio-class ballistic-missile submarine USS Nebraska (SSBN 739) departs Puget Sound Naval Shipyard and Intermediate Maintenance Facility for sea trials after completing an extended major maintenance period, to include an engineered refueling overhaul. (U.S. Navy photo by Culinary Specialist Seaman Joseph W. Weiser/Released)