SCHINA-PLANE
A U.S. Air Force A-10C Thunderbolt II touches down at Clark Air Base in the Philippines on April 19 after returning from an operational mission. A-10 attack planes have been flying maritime patrols over a coral reef chain known as Scarborough Shoal as the situation in the South China Sea grows more complex. MUST CREDIT: Handout photo by Staff Sgt. Benjamin W. Stratton, U.S. Air Force.