In this photo taken on Sunday, March 17, 2013, and released by the South Korean Navy via Yonhap on Monday, March 18, 2013, South Korea and U.S. warships participate in their joint military drill Foal Eagle in South Korea's West sea.(AP Photo/South Korea Navy via Yonhap) KOREA OUT

Dangerous Escalation: Pentagon Chief Calls For Increasing Military Presence Off China’s Shores

The move triggered an angry rebuke from Beijing and a warning that a minor incident in the area, which is one of the world’s busiest sea lanes, could spark war if the United States did not stop what it called “provocative acts.”