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Mapping the underwater battlefield: China's secret surveillance system | DW News
Posted
May 27, 2026
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May 27, 2026
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359
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8:16Now PlayingA fisherman in Indonesia pulls a mysterious device from the sea — and it turns out to be linked to China’s vast underwater surveillance network. Beijing is working on a “Great Undersea Wall” to track movement along critical chokepoints. But what exactly is China looking for? And how could what they find shape future wars? DW's Nicole Frölich talks to former Australian naval officer and Professor of Defense and Security Jennifer Parker.
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