In this April 12, 2018, file photo released by Xinhua News Agency, Chinese President Xi Jinping, left, speaks after he reviewed the Chinese People's Liberation Army (PLA) Navy fleet in the South China Sea. From Asia to Africa, London to Berlin, Chinese envoys have set off diplomatic firestorms with a combative defense whenever their country is accused of not acting quickly enough to stem the spread of the coronavirus pandemic.

China has built the world’s largest navy. Now what’s Beijing going to do with it?