170527-N-CJ185-0009 PACIFIC OCEAN (May 27, 2017) A civil service mariner assigned to the fleet replenishment oiler USNS Rappahannock (T-AO 204) watches a radar as the ship prepares for an underway replenishment 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)