‘Hai Kun’ begins fifth submerged sea trialBy Fion Khan / Staff writer, with CNATaiwan’s indigenous defense submarine prototype, the Hai Kun (海鯤), or Narwhal, today conducted its fifth submerged sea trial, drawing military enthusiasts to Kaohsiung Harbor. Today marked the submarine’s 11th sea trial and its fifth submergence test. Military enthusiasts take photographs as the Hai Kun submarine sails out to sea from Kaohsiung Harbor this morning. Recent tests have focused on calibration and optimization following the first four dive trials, he said, adding that sonar performance is particularly important. CSBC Corp, Taiwan last month released the first video documenting the submerged sea trials of the submarine, showing underwater navigation and the launch of countermeasures.

Source: Taipei Times March 10, 2026 07:06 UTC