Given the tension and closeness between the two armed forces, a small incident could trigger "violent conflict", informed by videoconference Admiral Wu Shengli his US counterpart, John Richardson.
Shengli called over US warship "USS Lassen" for territory twelve miles around Subi Reef in the Spratly islands as "dangerous and provocative", Xinhua reported.
China will take "all necessary measures" to ensure their sovereignty if the United States continues to ignore requests China warned the admiral.
The country built on artificial islands that area from coral reefs. Since the satellites also runways and takeoff, why Washington accuses Beijing of being taking over large areas of international waters in the South China Sea are observed.
In addition to China, also Taiwan, Vietnam, Brunei, Malaysia and the Philippines claim that area. The islands are located in one of the most important commercial sea routes of the world. In addition, there are suspected large deposits of oil and natural gas.