Merchant vessels sail in a line formation under command of the DDG-169 Wuhuan destroyer in the Gulf of Aden, January 6, 2009. [Xinhua]
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![Merchant vessels sail in a line formation under command of the DDG-169 Wuhuan destroyer in the Gulf of Aden, January 6, 2009. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090109/000bcdb95f1d0ad12e8729.jpg "Merchant vessels sail in a line formation under command of the DDG-169 Wuhuan destroyer in the Gulf of Aden, January 6, 2009. [Xinhua]")