A Philippine Navy personnel mans a .50 caliber machine gun during the bilateral maritime exercise between the Philippine Navy and US Navy dubbed as Cooperation Afloat Readiness and Training (CARAT 2014) in the South China Sea near waters claimed by Beijing on June 29, 2014.  The United States and the Philippines conducted joint naval exercises in the South China Sea near waters claimed by Beijing, amid tense territorial rows between China and its neighbours. AFP PHOTO/POOL/NOEL CELIS        (Photo credit should read NOEL CELIS/AFP/Getty Images)