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JS Raigei

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Raigei during her launch ceremony
History
Japan
NameRaigei
Ordered2020
BuilderKawasaki Heavy Industries Kobe Shipyard
Cost70.2 billion yen
Laid down26 March 2021
Launched17 October 2023
CommissionedMarch 2025
IdentificationPennant number: SS-516
StatusTo be commisioned
General characteristics
Class and typeTaigei-class submarine
Displacement3,000 t (3,000 long tons; 3,300 short tons) (standard)
Length84 m (275 ft 7 in)
Beam9.1 m (29 ft 10 in)
Depth10.4 m (34 ft 1 in)
Installed power6,000 PS (4,400 kW; 5,900 hp)
PropulsionDiesel-electric transmission, lithium-ion batteries
Crew70
Sensors and
processing systems
  • OYX-1 Information processing subsystem
  • ZQX-12
  • 1 × ZPS-6H surface search radar
  • ZQQ-8 Intergrated Sonar
Armament

Raigei (らいげい ) is a diesel-electric submarine of the Japan Maritime Self-Defense Force, and the fourth boat of the Taigei class. Her name (in kanji as 雷鯨, literally meaning 'thunder whale') has not been used by the Imperial Japanese Navy, making Raigei the first naval vessel to be named in this manner.[1] Like her older sister ships, Raigei will be fitted with dedicated living quarters for up to six female crew members from the time of commissioning. She is also the first boat to be fitted with the Kawasaki 12V 25/31 diesel engine.[1]

History

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Raigei was laid down on 26 March 2021 at the Kawasaki Heavy Industries Kobe Shipyard as the fourth 3,000-ton submarine planned for the JMSDF's Mid-Term Defense Program. She was christened and launched at the same shipyard on 17 October 2023.[1] After being fitted out and undergoing various sea trials, Raigei is scheduled to be handed over to the Japan Maritime Self-Defense Force in March 2025.[2]

References

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  1. ^ a b c Takahashi, Kosuke (17 October 2023). "海自の最新鋭潜水艦たいげい型4番艦「らいげい」進水 高出力の新型ディーゼル機関を初採用" [The MSDF's latest Taigei-class submarine, the fourth, "Raigei," is launched; the first to use a new high-output diesel engine.]. Yahoo!ニュース (in Japanese). Retrieved 17 October 2023.
  2. ^ "仏原子力潜水艦よりビッグ! 海自の最新潜水艦「らいげい」進水 就役はいつ?" [Bigger than a French nuclear submarine! The JMSDF's newest submarine, "Raigei," is launched. When will it be commissioned?]. 乗りものニュース (in Japanese). 17 October 2023. Retrieved 17 October 2023.