Indo-Pacific — 2026-06-10

Taiwan Fires US-Supplied HIMARS Into Taiwan Strait for First Time in Westward Live-Fire Drill

BLUFBeijing will likely mount a coercive military response in or near the strait within two weeks, though preserving the Trump-Xi channel may temper it below a named exercise.

Taiwan's 58th Artillery Command deployed six HIMARS launchers at the Dajia River estuary in Taichung on Wednesday, firing 32 of a planned 36 reduced-range practice rockets into Taiwan Strait waters nine kilometers offshore; four misfired and the cause is under investigation, Taipei Times reported 1. The exercise, the second day of west-coast drills including 155mm howitzers, was the first HIMARS live-fire from the coast facing China; prior testing used the east coast, per AP and Taipei Times 12. Launchers maneuvered to firing position within three minutes; the 10th Corps said the drill simulated cross-regional fire support against high-value targets to disrupt an enemy advance 13. A U.S. sale of 82 additional HIMARS announced in December appears on hold following President Trump's meeting with Xi Jinping in Beijing last month, AP and NPR reported 23.

Analysis
Taiwan's shift from east-coast testing to westward live fire against the strait's primary invasion axis, corroborated by independent AP and Taipei Times on-site reporting, is a publicly legible doctrinal escalation. The PLA is likely to conduct a named exercise or documented naval and air surge within 14 days. High confidence reflects the drill's public broadcast, the unambiguous geographic pivot, and well-documented PLA response cycles to prior west-coast demonstrations. Beijing's calculus turns on the suspended December 82-unit HIMARS sale. It may calibrate below the named-exercise threshold to protect the Trump-Xi diplomatic track. Beijing may instead interpret the reduced-range, practice-rocket parameters as a constrained domestic signal and hold to routine patrol tempo for the same reason. Whether the PLA response crosses the named-exercise threshold sets the cost imposed on Taiwanese asymmetric demonstrations and shapes the timeline for reinstating the frozen 82-unit sale.
5 sources
  1. HIMARS fired off west coast for first time - Taipei Times
  2. Taiwan fires rockets in China's direction from a US-supplied mobile launching system in drill - Associated Press
  3. Taiwan drills with U.S. rocket system, firing in China's direction - NPR
  4. Taiwan Tests U.S. HIMARS in Drill Near China - Tactics Institute
  5. Taiwan fires rockets in China's direction from a US-supplied mobile launching system in drill - The Washington Post

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