Maritime Issues and Oceans

The Asia Maritime Transparency Initiative spotlights the maritime security environment in the Indo-Pacific.

A Chinese research vessel sails through the ocean.

Gab K. De Jesus for CSIS

Skirting the Shores: China’s New High-Tech Research Ship Probes the Waters around Taiwan

In late 2023, an advanced Chinese research vessel known as the Zhu Hai Yun circumnavigated Taiwan in a rare move that appears intended to challenge Taiwan and probe the environment around the island. This Hidden Reach Snapshot reveals the vessel’s ties to China’s military.

Digital Report by Matthew P. Funaiole, Aidan Powers-Riggs, and Brian Hart — February 26, 2024

Past Events


Gregory B. Poling
Senior Fellow and Director, Southeast Asia Program and Asia Maritime Transparency Initiative
Harrison Prétat
Deputy Director and Fellow, Asia Maritime Transparency Initiative