The U.S. Navy "Ohio"-class ballistic-missile submarine USS "West Virginia" (SSBN-736) departs Norfolk Naval Shipyard in Portsmouth, Virginia (USA), following an engineering refueling overhaul. The aircraft carrier USS "Dwight D. Eisenhower" (CVN-69) is visible in a dry dock in the background, under going a 14-month Drydocking Planned Incremental Availability (DPIA) since 10 September 2013. Also visible are the decommissioned submarine tenders USS "Simon Lake" (AS-33), opposite "West Virginia", and USS "McKee" (AS-41).