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[global times comprehensive report] the self-made submarine "haikun" that the taiwan military has boasted about for a long time is in the stage of port testing (i.e. mooring test at the dock). it was once widely rumored on the island that the submarine was "progressing smoothly" and could start sea trials as early as september. however, taiwan's china times news network quoted the latest news on the 8th that more than 70 items of the "haikun" port test failed and needed to be corrected and retested. "it can only go to sea after all items pass, and it may be postponed to april next year."

according to the report, there are many different opinions on why the sea trial of the "haikun" was postponed. "some people questioned that after huang shuguang stepped down as the convener of the submarine, the commander of the taiwan navy, tang hua, was not a submarine officer and could not accurately grasp the progress throughout the process." there are also rumors that the communication between the taiwan shipbuilding corporation responsible for the construction and the taiwan navy was poor, and many technical details of the test had not yet been integrated, which hindered the progress of the test. in response to external doubts, the taiwan navy did not deny the relevant statements, but only emphasized that "all tests must be carried out step by step and strictly follow the process to ensure that the submarine meets the operational needs of the taiwan navy. as for the delivery schedule, the taiwan shipbuilding corporation's delivery schedule in november next year has not changed, and everything is carried out according to the contract."

the taiwan authorities announced that they would spend nt$284 billion to build seven submarines of the same type, even though the test of the haikun had not yet been completed and the subsequent delivery schedule had not yet been determined. the taiwan navy originally planned to build them in three batches using the "3+2+2" method. however, according to the latest budget of the taiwan navy, it has been adjusted to the "2+3+2" model.

the "haikun" is the first conventional submarine built by taiwan, and is regarded by the taiwan authorities as a "deterrent weapon" for "independent national defense." however, due to taiwan's limited technical capabilities, although the submarine is called "self-made", it actually uses a large number of imported equipment. whether taiwan has the ability to effectively integrate these equipment from different sources is also questioned. the "haikun" will be started in november 2021, and the naming and launching ceremony will be held in september 2023. on july 15 this year, the submarine was towed to pier 91 of kaohsiung port for mooring tests. taiwan's "liberty times" stated that the submarine has completed the loading of torpedoes. it was originally expected that it would go out for sea trials in september. former taiwan navy advisor guo xi even clearly stated that "it will be sea trials before september 15", but he recently changed his words and said that "it is a miracle to go out to sea before the end of this year." guo xi revealed that after huang shuguang, who was originally in charge of the project, resigned, the taiwan ship was "leaderless", and there were "troublemakers" inside who were pulling their legs and waiting to see the joke, so the submarine "can go out by the end of this year, it is already a miracle." guo xi also revealed that in order to save money, tsmc recently fired all overseas technical consultants for the submarine, which may make it difficult to connect the subsequent construction of submarines of the same model. (chen shan)