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Taiwan’s first domestically built submarine conducts new surface-only sea trial
Taiwan’s first indigenous submarine, Hai Kun, continued sea trials yesterday, even as its long-delayed ...
Naval News
Taiwan’s Indigenous Defense Submarine Hai Kun (SS-711) Conducts First Submerged Trial
Hai Kun (SS-711), also known as Narwhal, successfully completed its first submerged sea trials on January 29, 2026.