Philippine Marines from the Naval Special Operations Group (NAVSOG) storm the beach to simulate an “extraction” of a kidnapped victim as they kick off a five-day amphibious military exercise at the Philippine Marines training center in Ternate, Cavite province, about 50 miles (80kms) south of Manila, Philippines Thursday, September 24, 2015. The naval exercise dubbed PAGSISIKAP 2015 is aimed at enhancing capability of their fleet and forces as well as to strengthen interoperability of the Marines. (Photo by Bullit Marquez/AP Photo)





Philippine Marines from the Naval Special Operations Group (NAVSOG) rescue a mock kidnap victim, enter, as they simulate an “extraction” of a kidnapped victim as they kick off a five-day amphibious military exercise at the Philippine Marines training center in Ternate, Cavite province, about 50 miles (80kms) south of Manila, Philippines Thursday, September 24, 2015. (Photo by Bullit Marquez/AP Photo)





Members of the Philippine Marines aim their automatic rifles atop of a Multi Purpose Attack Craft (MPAC) during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Members of the Philippine Marines move out of a Multi Purpose Attack Craft (MPAC) to rescue hostages from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Members of the Naval Special Operations Group, an elite unit of the Philippine Marines, take their positions as they move out to rescue hostages from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Members of the Naval Special Operations Group, an elite unit of the Philippine Marines, take their positions as they move out to rescue hostages from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Members of the Marines and Naval Special Operations Groups, take their positions as they move out to rescue hostages from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Members of the Philippine Marines rescue a hostage from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)





Philippine Marines from the Naval Special Operations Group (NAVSOG) emerge from a red smoke as they storm the beach to simulate an “extraction” of a kidnapped victim as they kick off a five-day amphibious military exercise at the Philippine Marines training center in Ternate, Cavite province, about 50 miles (80kms) south of Manila, Philippines Thursday, September 24, 2015. (Photo by Bullit Marquez/AP Photo)





Members of the Philippine Marines rescue a hostage from mock rebels during the Fleet-Marine Amphibious Exercise at the marine headquarter in Ternate, cavite city, south of Manila September 24, 2015. (Photo by Romeo Ranoco/Reuters)