On August 18, 2020, the destroyer USS Mustin entered the northern end of the Taiwan Strait, five-inch gun pointed southward, on a solo mission to sail through the Strait and reaffirm that these international waters were not controlled by China, at least not yet. Strong winds from the southwest blew across the deck as the ship headed south. In the distance, the great harbours of Fuzhou, Xiamen, Hong Kong, and the other cities that dot the South China...