SOUTH CHINA SEA (April 15, 2016) Secretary of Defense Ash Carter, left, and Philippine Secretary of National Defense Voltaire Gazmin shake hands on a Marine Corps V-22 Osprey after departing the aircraft carrier USS John C. Stennis (CVN 74) for a tour in conjunction with Carter’s visit to the Philippines to solidify the rebalance to the Asia-Pacific region. (Photo by Senior Master Sgt. Adrian Cadiz/Released)