Harbor acceptance test of indigenous sub under 60 percent complete: Navy
Taipei, Sept. 10 (CNA) The harbor acceptance test (HAT) of the indigenous defense submarine (IDS) prototype, the Narwhal, is 50-60 percent complete, and work to test and improve the vessel remains on schedule despite recent setbacks, Navy Chief of Staff Vice Admiral Chiu Chun-jung (邱俊榮) said Tuesday.