Japan's Kawasaki Heavy Industries (KHI) has begun construction of the second of at least seven planned 3,000-tonne diesel-electric attack submarines (SSKs) to supplement the Japan Maritime Self-Defense Force's (JMSDF's) fleet of Soryu-class SSKs, a company spokesperson told Jane's at the 18-20 November DESI Japan 2019 defence exhibition in Chiba.
Construction of the boat, which is currently being referred to as '30SS' and is expected to enter service in March 2023, began in the middle of fiscal year 2018 (FY 2018).
The boat's current designation refers to the year 'Heisei 30' in the Japanese calendar (2018 in the Gregorian calendar), during which the Japan Ministry of Defense (MoD) allocated JPY69.7 billion (USD640.5 million) for the construction of the submarine, which has been given pennant number SS 514.
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