Wang Hai (L, Front), deputy commander of Chinese Navy, and Royal Thai Navy Fleet Commander Naris Prathumsuwan (R, Front) review troops during the opening ceremony for a joint military exercise in Sattahip Naval Base, Chon Buri province, Thailand, on May 21, 2016. Thai and Chinese marine corps held an opening ceremony for a joint military exercise codenamed Blue Strike 2016 here on Saturday. (Xinhua/Li Mangmang)