A U.S. Navy MH-60S Seahawk helicopter attached to Helicopter Sea Combat Squadron (HSC) 25 delivers supplies from the dry cargo and ammunition ship USNS Washington Chambers (T-AKE 11), not shown, to the guided-missile destroyer USS Mustin (DDG 89) during a replenishment at sea in the South China Sea Oct. 20, 2014. The Mustin was on patrol in the U.S. 7th Fleet area of responsibility supporting regional security and stability in the region.