JS Taigei

JS Taigei (SS-513) is the first boat of the Taigei-class attack submarine of Japan Maritime Self-Defense Force. The submarine was ordered from Mitsubishi Heavy Industries in 2017 and laid down on 16 March 2018 at Kobe, Japan. Taigei was launched on 14 October 2020 and commissioned on 9 March 2022.[1]

JS Taigei at Mitsubishi Dockyard, Kobe on 18 October 2020.
History
Japan
NameTaigei (たいげい)
NamesakeBig Whale
Ordered2017
BuilderMitsubishi Heavy Industries
Cost¥69.7 billion
Laid down16 March 2018
Launched14 October 2020
Commissioned9 March 2022
IdentificationSS-513
StatusActive
General characteristics
Class and typeTaigei-class submarine
DisplacementSurface: 3,000 tonnes
Length84.0 m (275 ft 7 in)
Beam9.1 m (29 ft 10 in)
Draught10.4 m (34 ft 1 in)
Complement70
Sensors and
processing systems
  • ZPS-6H surface/low-level air search radar
  • Oki ZQQ-8 Sonar
Armament

Development and design

The hull design of the Taigei class is said to not differ too much from the operational Sōryū class but will be 100 tons heavier than its predecessor. However, the Taigei-class submarines will be more advanced as they are equipped with newer equipment such as sonar systems, snorkel power generation system. The Taigei class will use lithium-ion batteries much like JS Ōryū and JS Tōryū of the Sōryū-class submarines.[2] The submarine will likely use the Type 18 torpedo, which project name as "G-RX6".[3][4] In addition, in response to the lifting of restrictions on the placement of female SDF personnel on submarines, the work of female SDF personnel is being supported by establishing partitions in the living quarters and securing bedrooms for women.

Construction and career

Taigei was laid down at Mitsubishi Heavy Industries Kobe Shipyard on 16 March 2018 as the 2017 plan 3000-ton submarine No. 8128 based on the medium-term defense capability development plan (26 medium-term defense), and in 2020. It was named Taigei at the naming and launching ceremony held at the factory on 14 October. It was handed over to the Maritime Self-Defense Force on 9 March 2022 and deployed to the Yokosuka Naval Base.[1] Construction cost estimated at US$720 million.[5]

In June 2023, the submarine participated in exercises with a visiting vessel of the French Navy, the frigate Lorraine.[6]

  • JS Taigei on 4 October 2020.
    JS Taigei on 4 October 2020.
  • JS Taigei on 4 October 2020.
    JS Taigei on 4 October 2020.
  • JS Taigei on 14 October 2020.
    JS Taigei on 14 October 2020.
  • JS Taigei on 14 October 2020.
    JS Taigei on 14 October 2020.
  • JS Taigei on 14 October 2020.
    JS Taigei on 14 October 2020.
  • JS Taigei on 18 October 2020.
    JS Taigei on 18 October 2020.
  • JS Taigei on 18 October 2020.
    JS Taigei on 18 October 2020.

Citations
  1. 新型潜水艦「たいげい」就役 海自、22隻体制に増強 (in Japanese). The Chunichi Shimbun. 9 March 2022. Archived from the original on 9 March 2022. Retrieved 9 March 2022.
  2. Takahashi, Kosuke (14 October 2020). "MHI launches first of new class of submarines for JMSDF equipped with lithium-ion batteries". Janes.com. Retrieved 8 January 2020.
  3. "軍事的雑学｜日本の新型｢3000トン型潜水艦｣は、そうりゅう型潜水艦を超える？". 航空万能論GF. 6 February 2019. Archived from the original on 11 November 2019. Retrieved 11 January 2020.
  4. "防衛省が新型潜水艦建造へ、燃料電池や新型ソナー、新型長魚雷で高性能化か". Naver. 2019. Archived from the original on 17 November 2021. Retrieved 11 January 2020.
  5. "Japan unveils new submarine in face of China's growing assertiveness". The Japan Times. 14 October 2020. Retrieved 1 November 2021.
  6. "FAPF – Manœuvres conjointes entre les forces maritimes japonaises et la FREMM-DA Lorraine". Ministère des Armées. 12 June 2023. Retrieved 15 June 2023.
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