Beijing is getting bolder in its maritime adventurism.
Chinese encroachment in the South China Sea could earn a rebuke Tuesday when a United Nations court issues its ruling in a case brought by the Philippines. But recent Chinese actions in the East China Sea also deserve attention.
“Chinese activity is escalating at sea and in the air,” Japan’s top military commander, Admiral Katsutoshi Kawano, warned last month. From April to June, Japan scrambled fighter jets against Chinese planes approaching its airspace a record 199 times, double last year’s pace. These encounters…