From Yahoo News/AP:
WASHINGTON – The U.S. Navy ship that got into a scrape with five Chinese vessels last weekend in the South China Sea was looking for threats such as submarines — presumably Chinese — in waters that China claims as its own, defense officials acknowledged Tuesday.
The United States maintains that the unarmed USNS Impeccable was operating legally in international waters when it was surrounded and harassed by the Chinese. Beijing responded hotly to a U.S. protest over Sunday's incident, and neither nation is backing down, even as they prepare for a much-anticipated first meeting between President Barack Obama and Chinese President Hu Jintao next month.
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My Comment: Nope .... they are just out there for the fishing.