People visit the "Harbin" missile destroyer of Chinese Navy at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Mianyang" missile frigate of Chinese Navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Harbin" missile destroyer of Chinese Navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Harbin" missile destroyer of Chinese navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

People visit the "Harbin" missile destroyer of Chinese Navy at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

People visit the "Harbin" missile of Chinese Navy destroyer at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

Yuan Yubai (R), commander of the Chinese flotilla, shakes hand with local Chinese at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Mianyang" missile frigate of Chinese Navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Harbin" missile destroyer of Chinese Navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

A visitor takes photos on the "Harbin" missile destroyer of Chinese Navy at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)

The "Mianyang" missile frigate of Chinese Navy is seen at Sattahip naval base in Chon Buri province of Thailand, Sept. 12, 2013. On invitation from Thailand's navy, three Chinese Navy ships called at Thailand's Sattahip naval base Thursday for a five-day visit on their way back to China from an escort mission in the Gulf of Aden and the waters off Somali. (Xinhua/Gao Jianjun)