FILE – In this Jan. 19, 2021, file photo, a soldier holds a Taiwanese flag during a military exercise aimed at repelling an attack from China in Hsinchu County, northern Taiwan. Japan believes rising tension surrounding Taiwan requires its attention “with a sense of crisis” as China intensifies military activities in the area and the United States steps up support for the self-governing island. (AP Photo/Chiang Ying-ying, File)