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China Completes 43 Manned Arctic Dives in 2025, Demonstrates Dual Submersible Operations Under Ice

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The Announcement

The first joint underwater operations between Fendouzhe and another Chinese manned submersible, Jiaolong, including tasks such as positioning, marker exchange and motion filming under ice.

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A total of 43 manned dives by the deep-sea submersible Fendouzhe (“Striver”).

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Why It Matters?

The coordinated use of two manned submersibles in dense-ice Arctic waters demonstrates China’s advancing capability in deep-sea and polar-environment operations.

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Data and samples collected help in understanding rapid Arctic climate change, seabed geology at ultra-slow spreading ridges like the Gakkel Ridge, and adaptations of life in extreme environments.

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What’s Next

The research team will analyse the large volume of samples and observational data — expected to deepen understanding of polar geology, oceanography and biology.

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This mission could lay groundwork for further deep-sea polar deployments, potentially expanding exploration of seabed resources, biodiversity and climate systems.

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