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Taiwan Throttles Mobile Data and Runs Penghu Landing Drill to Test Wartime Resilience

Officials say the tests probe network weaknesses under deliberate mobile-data slowdowns to help preserve command, public order, and emergency functions

Soldiers attend the annual Han Kuang military exercises in Hualien, Taiwan, August 9, 2026. Chiang Ying-ying/Pool via REUTERS
Soldiers attend the annual Han Kuang military exercises in Hualien, Taiwan, August 9, 2026. Chiang Ying-ying/Pool via REUTERS
Soldiers attend the annual Han Kuang military exercises in Hualien, Taiwan, August 9, 2026. Chiang Ying-ying/Pool via REUTERS
Soldiers practice active-duty force expansion and military vehicle flatbed loading during the annual Han Kuang military exercises in Hualien, Taiwan, August 9, 2026.   Chiang Ying-ying/Pool via REUTERS

Overview

  • Taiwanese forces completed a simulated repulse of an air-and-amphibious landing on the Penghu Islands while civil-defense drills continued across the island.
  • The government deliberately throttled mobile internet for about 30 minutes in central Taiwan as part of the exercises to stress-test communications contingency plans.
  • Officials kept voice, SMS, emergency alerts, landlines and fixed broadband working and warned businesses and the public in advance to limit disruption.
  • The Han Kuang drills integrate military maneuvers, reservist mobilization, expanded drone training and coordinated civilian evacuations to strengthen whole-of-society resilience.
  • Planners say the exercises respond to growing Chinese maritime and landing capabilities, the island’s reliance on subsea cables, and lessons from recent conflicts that highlight the value of comms resilience and drones.