VIRGINIA BEACH, Va. (Dec. 11, 2015) Cmdr. Nathan York from Coastal Riverine Squadron 4 (CRS 4) addresses the crowd during a change of command ceremony held at Joint Expeditionary Base Little Creek - Fort Story. Cmdr. Mark Harris relieved York as commanding officer of CRS 4, Dec. 11. (U.S. Navy photo by Mass Communication Specialist 2nd Class Benjamin Wooddy/Released)