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All Together Now: China’s Militia in 2025
February 23, 2026

Satellite imagery analysis indicates that China’s maritime militia—consisting both of professional militia and the civilian members of the “Spratly Backbone Fishing Fleet”—deployed in record-high numbers across the South China Sea in 2025, building on the elevated activity documented in 2024. While militia deployed to all the reefs AMTI has documented since 2021, the data shows […] Continue Reading

Barque Canada Reef, May 11, 2024
Photo:  Barque Canada Reef, May 11, 2024

Island Tracker

Five claimants occupy nearly 70 disputed reefs and islets spread across the South China Sea. They have built more than 90 outposts on these contested features, many of which have seen expansion in recent years.

Maps of the Asia Pacific

AMTI’s interactive maps strive to provide the most complete, accurate, and up-to-date source of geospatial information on maritime Asia.

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