Taiwan

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Photo: agratitudesign/Adobe Stock

Photo: agratitudesign/Adobe Stock

Signals in the Swarm: The Data Behind China’s Maritime Gray Zone Campaign Near Taiwan

This brief presents a new data-driven framework for identifying Chinese maritime gray zone activity near Taiwan, using AIS tracking, fishing effort data, and military drill zones to flag civilian vessels likely engaged in state-directed operations.

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Brief by Jose M. Macias III and Benjamin Jensen — October 8, 2025