Photo taken on June 24, 2014 shows Chinese navy's destroyer Haikou in Pearl Harbor in Hawaii, the United States. The Chinese fleet participating in the Rim of the Pacific (RIMPAC) multinational naval exercises arrived at Pearl Harbor on Tuesday. The Chinese forces include missile destroyer Haikou, missile frigate Yueyang, supply ship Qiandaohu, hospital ship Peace Ark, two helicopters, a commando unit and a diving squad, totalling 1,100 officers and soldiers. (Xinhua/Qin Haishi)

Photo taken on June 24, 2014 shows Chinese navy's supply ship Qiandaohu in Pearl Harbor in Hawaii, the United States. The Chinese fleet participating in the Rim of the Pacific (RIMPAC) multinational naval exercises arrived at Pearl Harbor on Tuesday. The Chinese forces include missile destroyer Haikou, missile frigate Yueyang, supply ship Qiandaohu, hospital ship Peace Ark, two helicopters, a commando unit and a diving squad, totalling 1,100 officers and soldiers. (Xinhua/Qin Haishi)

Photo taken on June 24, 2014 shows Chinese navy's missile frigate Yueyang in Pearl Harbor in Hawaii, the United States. The Chinese fleet participating in the Rim of the Pacific (RIMPAC) multinational naval exercises arrived at Pearl Harbor on Tuesday. The Chinese forces include missile destroyer Haikou, missile frigate Yueyang, supply ship Qiandaohu, hospital ship Peace Ark, two helicopters, a commando unit and a diving squad, totalling 1,100 officers and soldiers. (Xinhua/Qin Haishi)

A sailor aboard Chinese navy's supply ship Qiandaohu raises the flag of the Chinese People's Liberation Army in Pearl Harbor in Hawaii, the United States, on June 24, 2014. The Chinese fleet participating in the Rim of the Pacific (RIMPAC) multinational naval exercises arrived at Pearl Harbor on Tuesday. The Chinese forces include missile destroyer Haikou, missile frigate Yueyang, supply ship Qiandaohu, hospital ship Peace Ark, two helicopters, a commando unit and a diving squad, totalling 1,100 officers and soldiers. (Xinhua/Qin Haishi)