160803-N-BL637-019 PACIFIC OCEAN (August 03, 2016) The aircraft carrier USS Carl Vinson (CVN 70) conducts a vertical replenishment-at-sea with the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4. Carl Vinson is currently underway in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sean M. Castellano/Released)