Officers and soldiers line up to form Chinese characters meaning "celebrating Aug. 1, China's Army Day" on Chinese navy ships to celebrate the 89th anniversary of the establishment of the Chinese People's Liberation Army (PLA) at the Hawaiian sea area, on Aug.1, 2016 Beijing time. A Chinese fleet participating in the Rim of the Pacific (RIMPAC) multinational naval exercises held activities to celebrate the 89th anniversary of the establishment of the PLA at the Hawaiian sea area. (Xinhua/Sun Hongjie)