170527-N-CJ185-0021 PACIFIC OCEAN (May 27, 2017) civil service mariners assigned to the fleet replenishment oiler USNS Rappahannock (T-AO 204) chart a course for their next activity after completing a underway replenishment with the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70 in the Pacific Ocean. Rappahannock aides the U.S. Navy mission by delivering food, fuel and supplies to Navy vessels, thusly extending the Navy vessel's ability to stay at sea. (U.S. Navy photo by Mass Communication Specialist 1st Class Torrey W. Lee/Released)