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A Chinese missile destroyer Wuhan (below) escorts merchant vessels in the Gulf of Aden off Somalia, February 17, 2009. The Chinese naval fleet completed its twenty-first mission, the largest operation of its kind so far, by escorting 10 Chinese merchant ships and three foreign ones, including "Hermione" from Germany, "Viking Crux" from Singapore and "Princess Nataly" from Cyprus. [Xinhua]