U.S concerned about growing Chinese sub fleet

These vessels pose risks on two fronts: firstly as part of China’s nuclear deterrent, which is diversifying away from a reliance on land based delivery systems, and secondly because of the threat posed by submarines to aircraft carriers – the stable of American power projection

China Seeks Blue Water Navy

China's first military white paper in two years has caused headlines as it announces Beijing's intention to field its navy in the open ocean. This oceanic, or blue water capability is seen as vital if a nation wishes to have long range power projection capabilities.