CSBC Corporation, the shipbuilder behind Taiwan’s Hai Kun-class submarine programme, revealed that the initial boat completed its first submerged trials on 29 January, marking a key milestone in Taiwan’s indigenous submarine project.The achievement follows a “pre-submerge” test on 26 January, during which the submarine’s sonar, propulsion system and diving instruments were validated. It was also the boat’s sixth sea trial.CSBC told Taiwanese media that the initial phase of submerged testing will focus on snorkel- and periscope-depth operations at su…