US navy soldiers and their Philippine counterparts disembark from a speed boat after a surveillance operation training during a joint military exercises between the Philippines and the United States at the South China Sea, June 28, 2013. The Philippines and US Naval forces began joint military exercises codenamed Cooperation Afloat Readiness and Training (CARAT) at the South China Sea on June 27 to enhance the capability of both sides through practical exercises and lectures. [Photo/Xinhua]