China plans to launch its first rocket from open waters in the South China Sea, in a display of a more flexible, long-range maritime launch capability. The 31-metre (102-foot) tall, solid-fuelled Jielong-3 is expected to lift off at 7.30pm on Saturday from the Dong Fang Hang Tian Gang, a converted barge operating in international waters, according to a leaked schedule circulating on Chinese social media. Beijing claims sovereignty over almost all the islands and rock features in the South China...