Unprecedented efforts to save lives in the South China Sea, report Peng Yining in Hainan and He Na, Jiang Xueqing and Wu Wencong in Beijing.

Editor's note: On June 10, the Peace Ark embarked on a 118-day voyage to provide medical assistance in a number of countries and take part in joint operations and exercises with fellow members of ASEAN. This is the last report by China Daily's Peng Yining.

Lei Jie rappelled down a line from a helicopter to reach a fisherman who was floating in the ocean, but he was unable to get close enough.