This year’s drills are ten days, twice as long as before. The timing is no accident. Tensions with Beijing remain high. While polls suggest most Taiwanese don’t believe an invasion is imminent, the government is preparing with focus and urgency.

China claims Taiwan as its own despite Taipei's objections. The United States does not recognize Taiwan's statehood but has political and economic stakes in a peaceful resolution to the decades-long dispute, and is obliged by U.S. law to help Taipei arm itself against a possible attack.