A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, leaves after a three-day friendly visit to Hawaii, at the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. (Xinhua/Zha Chunming)

Chinese Navy's missile frigate Linyi leaves the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, wrapped up a three-day friendly visit to Hawaii on Monday. (Xinhua/Zha Chunming)

Commander of the Chinese naval fleet Wei Gang waves as the fleet left the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, wrapped up a three-day friendly visit to Hawaii on Monday. (Xinhua/Zha Chunming)

Chinese marines stand aboard the missile destroyer Qingdao as the fleet left the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, wrapped up a three-day friendly visit to Hawaii on Monday. (Xinhua/Zha Chunming)

Chinese Navy's missile frigate Linyi leaves the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, wrapped up a three-day friendly visit to Hawaii on Monday. (Xinhua/Zha Chunming)

Chinese marines stand aboard the missile destroyer Qingdao as the fleet left the Pearl Harbor in Hawaii, the United States, Sept. 9, 2013. A naval fleet of the Chinese People's Liberation Army (PLA), which is comprised of the missile destroyer Qingdao, missile frigate Linyi and supply ship Hongzehu, wrapped up a three-day friendly visit to Hawaii on Monday. (Xinhua/Zha Chunming)