A commander directs a navy helicopter to land on 皇冠体育app's  missile destroyer during the 皇冠体育app-Russia joint naval drill on East 皇冠体育app Sea, May 24, 2014. The three-day drill "Joint Sea-2014" ended successfully on Saturday. The three-day drill "Joint Sea-2014" ended successfully on Saturday. The Chinese and Russian navies staged exercises, including joint escort drill, joint aircraft identification exercise and air defense and maritime assault drills. [Photo by Feng Yongbin/Asianewsphoto]

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