Qiu Jianwen, a scholar of ocean bio-diversity and fishing resource protection with Hong Kong Baptist University, salutes to the crew members before entering China's manned deep-sea submersible Jiaolong aboard its support ship Xiangyanghong 09 in the South China Sea, June 19, 2013. The Jiaolong manned deep-sea submersible on Wednesday carried its second scientist Qiu Jianwen as a crew member during a deep-sea dive. Jiaolong left east China's city of Jiangyin on June 10 for its first voyage of experimental application. The 113-day mission will include experiments on Jiaolong's positioning system, as well as deep-sea ecological and geological surveys in the South China Sea, biological surveying and geological sampling in the Pacific Ocean. Photo: Xinhua

China's manned deep-sea submersible Jiaolong dives into the South China Sea, June 19, 2013. The Jiaolong manned deep-sea submersible on Wednesday carried its second scientist Qiu Jianwen, a scholar of ocean bio-diversity and fishing resource protection with Hong Kong Baptist University, as a crew member during a deep-sea dive. Jiaolong left east China's city of Jiangyin on June 10 for its first voyage of experimental application. The 113-day mission will include experiments on Jiaolong's positioning system, as well as deep-sea ecological and geological surveys in the South China Sea, biological surveying and geological sampling in the Pacific Ocean. Photo: Xinhua

China's manned deep-sea submersible Jiaolong prepares to dive into the South China Sea, June 19, 2013. The Jiaolong manned deep-sea submersible on Wednesday carried its second scientist Qiu Jianwen, a scholar of ocean bio-diversity and fishing resource protection with Hong Kong Baptist University, as a crew member during a deep-sea dive. Jiaolong left east China's city of Jiangyin on June 10 for its first voyage of experimental application. The 113-day mission will include experiments on Jiaolong's positioning system, as well as deep-sea ecological and geological surveys in the South China Sea, biological surveying and geological sampling in the Pacific Ocean. Photo: Xinhua