U.S. Marine Staff Sgt. Alexander Davis adjusts a satellite communication antenna during Balikatan 2017 at Camp Lapulapu, Cebu, April 25, 2017. Balikatan is an annual U.S.-Philippine military bilateral exercise focused on a variety of missions, including humanitarian assistance and disaster relief, and counterterrorism. (U.S. Air Force photo by Senior Airman Corey Pettis) - U.S. Marine Staff Sgt. Alexander Davis adjusts a satellite communication antenna during Balikatan 2017 at Camp Lapulapu, Cebu, April 25, 2017. Balikatan is an annual U.S.-Philippine military bilateral exercise focused on a variety of missions, including humanitarian assistance and disaster relief, and counterterrorism. (U.S. Air Force photo by Senior Airman Corey Pettis)