U.S. Provides Four Autonomous Underwater and Surface Vehicles to the Philippines vs. China

China has protested the U.S. provision of four maritime drones, both underwater and surface vehicles, to the Philippines, as part of the military buildup against China. The drones are called Ocean Aero Triton autonomous underwater and surface vehicles, the US Embassy in Manila reported. The U.S. has already built several military bases in the Philippines, strategically located to target China.