Dozens of Chinese research vessels are on a quest to map the sea floor at strategically vital regions of the world's oceans.
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China maps ocean floor near US bases, raising military concerns
Beneath the surface of the world’s oceans, a quieter competition is unfolding.
Chinese vessels are mapping the sea floor at strategically vital regions of the world's oceans, building detailed knowledge ...
Add Yahoo as a preferred source to see more of our stories on Google. New Pentagon maps show the estimated ranges of China's vast missile arsenal. Missiles can reach Taiwan, the Philippines, Japan, ...
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