180521-N-IX266-001 SOUTH CHINA SEA (May 21, 2018) Indonesian Navy frigate KRI Raden Eddy Martadinata (FFG-331) prepares to receive fuel from the fleet replenishment oiler USNS Rappahannock (T-AO-204) during an underway replenishment in the South China Sea. (U.S. Navy photo/Released)