China is mapping the ocean floor as it prepares for submarine warfare with the U.S.

• / China is aggressively mapping the ocean floor, likely to enhance submarine navigation and warfare capabilities against the U.S. and its allies.
• / Detailed seafloor data improves stealth and targeting for submarines, posing a direct threat to U.S. naval dominance in the Pacific.
• / This activity signals escalating tensions and a potential arms race in underwater military technology, requiring heightened U.S. surveillance and countermeasures.

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