Beijing’s growing research activities in international waters are designed to expand undersea military operations, analysts say

Chinese research vessels with ties to the People’s Liberation Army are conducting sweeping surveys of the undersea floor in the Indian Ocean, collecting data that could be crucial in deploying submarines in a region that is a critical energy supply line for Beijing in the event of a war with Taiwan.

A new analysis of hundreds of thousands of hours of shipping data since 2020 by the Washington-based Center for Strategic and International Studies shows that the Indian Ocean is fast becoming one of the biggest domains for Chinese oceanic surveys, which are ostensibly civilian in nature but tied to the PLA and Beijing’s military-civil fusion program — a national strategic plan to advance China’s military by acquiring technology and research from civilian groups.

The types of ocean surveys carried out by the vessels have research applications for energy resources and marine environments, but the data collected can also be used for military purposes, analysts say, including how to maneuver and obscure submarines during conflict.

The CSIS report found that of the 13 vessels undertaking the bulk of survey and research activity in the Indian Ocean since 2020, all have links to China’s military — including organizational ties to the PLA — and have displayed suspicious behavior including docking at Chinese military ports or temporarily turning off tracking devices.

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    110 months ago

    Oh no! Not ocean surveys!

    CSIS can’t see a single act without passing it through a military lens.