‘Hai Kun’ underway for sea trialsStaff writer, with CNATaiwan’s first indigenous submarine, the Hai Kun (海鯤), or “Narwhal,” continued sea trials yesterday, drawing many naval enthusiasts to Kaohsiung’s waterfront. The submarine sailed out to sea from CSBC Corp, Taiwan’s shipyard for its sixth sea trial, or sea acceptance test. People watch the indigenous-built submarine Hai Kun undergoing tests in Kaohsiung yesterday. CSBC, the main contractor for the prototype of the Hai Kun, completed the fifth acceptance test for the submarine on Nov. 28 last year. People watch the indigenous submarine Hai Kun undergoing tests in Kaohsiung yesterday.