A helicopter of the Chinese naval fleet attends a landing exercise at night on Dec. 28, 2008, while the Chinese naval fleet heads for the Gulf of Aden. The Chinese naval fleet including two destroyers and a supply ship set off on Dec. 26 for waters off Somalia for an escort mission against piracy.

　　A helicopter of the Chinese naval fleet attends a landing exercise at night on Dec. 28, 2008, while the Chinese naval fleet heads for the Gulf of Aden. The Chinese naval fleet including two destroyers and a supply ship set off on Dec. 26 for waters off Somalia for an escort mission against piracy.