The Shandong aircraft carrier is moored at a naval port in Sanya, south China's Hainan Province. (Xinhua/Li Gang)

Aerial photo taken on Dec. 15, 2019 shows the Shandong aircraft carrier at a naval port in Sanya, south China's Hainan Province. (Xinhua/Li Gang)

he commissioning ceremony of Shandong aircraft carrier is held at a naval port in Sanya, south China's Hainan Province, Dec. 17, 2019. (Xinhua/Li Gang)

The commissioning ceremony of Shandong aircraft carrier is held at a naval port in Sanya, south China's Hainan Province, Dec. 17, 2019. (Xinhua/Li Gang)

Photo taken on Dec. 17, 2019 shows the Shandong aircraft carrier at a naval port in Sanya, south China's Hainan Province. (Xinhua/Li Gang)

The commissioning ceremony of Shandong aircraft carrier is held at a naval port in Sanya, south China's Hainan Province, Dec. 17, 2019. (Xinhua/Li Gang)