170602-N-TA321-035 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 (PSNS & IMF) 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)