Nanhaijiu 102, China's first vessel that is capable of conducting rescue in deep and open water, conducts a drill in the South China Sea on Wednesday, March 8, 2017. The Chinese-made ship, the most advanced rescue vessel in the area, is 127 meters long and 16 meters wide, with displacement of 7,300 tonnes and a range of 16,000 nautical miles. Carrying a towing system and an autonomous underwater vehicle that can dive as deep as 6,000 meters, the ship is the country's first rescue ship that can conduct air, sea and underwater searches at the same time. [Photo: Xinhua]