CORRECTION China US

** THIS CORRECTS BYLINE ** Chinese Foreign Ministry spokesman Ma Zhaoxu invites a question at a news conference in Beijing, China, Tuesday, March 10, 2009. A U.S. Navy mapping ship confronted by Chinese vessels in the South China Sea over the weekend was operating illegally, China’s Foreign Ministry said Tuesday, in its first formal comment on the latest friction between the two militaries. (AP Photo/Andy Wong)