Sanya HainanJane's Intelligence Review editor Christian Le Miere said: "China's nuclear and naval build-up at Sanya underlines Beijing's desire to assert tighter control over this region.
"China's increasing dependence on imported petroleum and mineral resources has contributed to an intensified Chinese concern about defending its access to vital sea lanes, particularly to its south.
"It is this concern that in large part is driving China's development of power-projection naval forces such as aircraft carriers and long-range nuclear submarines." here