Wang Hai (R), Chinese chief director of the exercise and deputy commander of the Chinese Navy, and his Russian counterpart Alexander Fedotenkov declare the start of a joint naval drill in Zhanjiang, south China's Guangdong Province, Sept. 13, 2016. China and Russia started "Joint Sea 2016" drill off Guangdong Province in the South China Sea on Tuesday. (Xinhua/Zha Chunming)