160415-D-DT527-982 SOUTH CHINA SEA (April 15, 2016) A Marine Corps V-22 Osprey crew member helps transport Secretary of Defense (SECDEF) Ash Carter and Philippine Secretary of National Defense Voltaire Gazmin back to Manila, Philippines after touring the aircraft carrier USS John C. Stennis (CVN 74) as it sails the South China Sea April 15, 2016. Carter is visiting the Philippines to solidify the rebalance to the Asia-Pacific region. (U.S. Air Force photo by Senior Master Sgt. Adrian Cadiz/Released)