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China's submersible to attempt 5,000m dive

07-01-2011 14:08 BJT

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The "Jiaolong", China's manned deep-sea vessel, has been put to sea to attempt a 5-thousand meter dive in the Pacific Ocean. The craft is a submersible. It differs from a submarine because it depends on another vessel for support.

China started to develop the submersible in 2002. Work on the Jiaolong and its mother ship took 6 years and involved about 100 institutions and companies nationwide.

The Jiaolong sets off for the Pacific Ocean aboard the Xiangyanghong 09, from East China's Jiangsu province.

Its mission to dive 5,000 meters deep. Last year, it reached 3,000 meters.

From May to July last year in the South China Sea, the Jiaolong and a crew of three made 17 dives. The record depth was 3,795 meters. The longest period of operation was over nine hours. Videos and photos were sent back to base. China is the fifth country, after the US, France, Russia and Japan, to have the technology to send a manned dive more than 35-hundred meters below sea level.

Yet, 5,000 meters is not the final destination.

The "Jiaolong", China's manned deep-sea vessel, has been put to sea to attempt a 5-
thousand meter dive in the Pacific Ocean.

The Jiaolong is the only vessel in the world designed to reach a depth of 7-thousand meters, and to operate in all oceans.

China's submersible program focuses on scientific research in the process of peaceful exploration and utilization of natural resources. The Jiaolong's main missions include physical, chemical and biological research, as well as exploration and deep-sea salvage.

The "Jiaolong", China's manned deep-sea vessel, has been put to sea to attempt a 5-
thousand meter dive in the Pacific Ocean.


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