151113-N-KM939-274 PACIFIC OCEAN (Nov. 13, 2015) Sailors watch as the underway replenishment oiler USNS Guadalupe (T-AO-200) pulls away from the guided-missile destroyer USS Stockdale (DDG 106) after a breakaway during a Refueling-At-Sea (RAS). Sailors from the John C. Stennis Strike Group are participating in a sustainment training exercise (SUSTEX) to prepare for future deployments. (U.S. Navy photo by Mass Communication Specialist 3rd Class David A. Cox/Released)