A Philippine air force C-130 cargo plane flies over Philippine navy sea lift vessel BRP Tarlac, while a speed boat loaded with US and Philippine marines sails during a simulation of a disaster drill as part of the annual joint Philippines-US military exercise at a sea port in Casiguran town, Aurora province on May 15, 2017.
The Philippines and the United States launched annual military exercises on May 8, but the longtime allies scaled them down in line with President Rodrigo Duterte's pivot to China and Russia. / AFP PHOTO / TED ALJIBE