160415-D-DT527-337 PALAWAN, Philippines (April 15, 2016) Secretary of Defense Ash Carter and Philippine Secretary of National Defense Voltaire Gazmin walk and are briefed on future Enhanced Defense Cooperation Agreement plans as they arrive at Puerto Princess Airport in Palawan, Philippines in route to visit the USS Stennis that was in 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)