For China and South Korea, the Yasukuni Shrine’s inclusion of 14 Class A war criminals who were executed after World War II has made it a potent symbol of Japan’s prewar militarism, and Abe had long refrained from visiting it – including during his previous stint as prime minister. He may well have maintained that stance had China not established the ADIZ, which set an ominous new precedent by usurping international airspace over the East China Sea, including areas that China does not control.