170305-N-BL637-053 SOUTH CHINA SEA (March 5, 2017) Aviation Ordnanceman Airman Rebecca Geissinger directs the crew of an MH-60S Sea Hawk helicopter from the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4 during a vertical replenishment-at-sea with the dry-cargo and ammunition ship USNS Richard E. Byrd (T-AKE 4) and the aircraft carrier USS Carl Vinson (CVN 70). The ship and its carrier strike group is on a western Pacific deployment as part of the U.S. Pacific Fleet-led initiative to extend the command and control functions of U.S. 3rd Fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sean M. Castellano/Released)