In this photo released by the U.S. Navy, crewmember on a Chinese trawler uses a grapple hook in an apparent attempt to snag the towed acoustic array Sunday, March 8, 2009 of the military Sealift Command ocean surveillance ship USNS Impeccable in the South China Sea on Sunday, March 8, 2009. Impeccable was conducting routine survey operations in international waters 75 miles south of Hainan Island when it was harassed by five Chinese vessels. (AP Photo/U.S. Navy)AP – Chinese ships surrounded and harassed a Navy mapping ship in international waters off China, at one point coming within 25 feet of the American boat and strewing debris in its path, the Defense Department said Monday. The Obama administration said it would continue naval operations in the South China Sea, most of which China considers its territory, and protested to China about what it called reckless behavior that endangered lives.