China’s growing submarine fleet worries many countries in the Asia-Pacific region and will lead some to boost their anti-submarine warfare (ASW) capabilities…..
Countries in Asia are evaluating ASW helicopters as a matter of urgency because all are concerned about China’s submarine fleet and increased assertiveness. “Every year the number of submarines in the Chinese fleet goes up,” says one industry executive. China has also reportedly started deploying a new and more advanced nuclear-powered attack submarine, the Shang class.
Aviation Week & Space Technology May 23 , 2011 , p. 30
Leithen Francis, Singapore