Chinese frigate "Huangshan" sends marines to search a suspicious ship during a China-Russia naval joint drill at sea off south China's Guangdong Province, Sept. 16, 2016. Chinese and Russian fleets conducted joint operation exercise off Guangdong Province in the South China Sea during the "Joint Sea 2016" drill on Friday. The drill, starting on Sept. 12, will run until Sept. 19, consisting of three phases: preparation at port, exercise at sea and summary. 

Source : XINHUA