Taiwan’s first indigenous submarine, the Narwhal, also known as Hai Kun, completed its second sea trial Thursday as it returned to Kaohsiung Harbor. The first trial took place on June 17, and additional tests are planned, with all trials expected to conclude by the end of September. | Focus Taiwan

Taiwan's first indigenous defense submarine the Narwhal, also known as Hai Kun, was spotted Tuesday morning sailing out of the Port of Kaohsiung at around 8 a.m. as it moves from a harbor acceptance test that began in July 2024 to sea trials. | Focus Taiwan

Taiwan's first indigenous submarine, the #Narwhal, also known as Hai Kun, began its third sea trial Thursday, departing from the second container terminal at Kaohsiung Harbor. Nearby, military enthusiasts waved the Republic of China (Taiwan) flag and held a banner in support of the project. | Focus Taiwan