Henry Tang Ying-yen (L), the Chief Secretary for Administration of China's Hong Kong Special Administrative Region, shakes hands with Wang Zhiguo, commander of the Chinese naval 3rd escort fleet, during a seeing-off ceremony in Hong Kong, south China, on December 17, 2009. The "Zhoushan" and "Xuzhou" missile frigates, stopping over in Hong Kong for 4 days as they have finished escort mission against pirates in the Gulf of Aden, left for home on Thursday. [Xinhua]

Chinese naval women soldiers line up on "Zhoushan" missile frigate during a seeing-off ceremony in Hong Kong, south China, on December 17, 2009. The "Zhoushan" and "Xuzhou" missile frigates, stopping over in Hong Kong for 4 days as they have finished escort mission against pirates in the Gulf of Aden, left for home on Thursday. [Xinhua]