TOKYO -- With Japan's main deep-sea research vessel set to go out of service as early as the 2030s and no replacement in sight, the country risks falling even further behind China, which has the world's deepest diving exploration technology.
Science
Japan losing to China in deep sea race as key research vessel ages
Loss of manufacturing technology leaves no replacement for Shinkai 6500 submersible
The Shinkai 6500 has conducted about 1,800 deep-sea explorations to date. (JAMSTEC)
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