JS Tōryū

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JS Tōryū fitting out on 4 October 2020
History
Japan
Name	Tōryū (とうりゅう)
Namesake	Tōryū-nada (闘竜灘)
Ordered	2016
Builder	Kawasaki Heavy Industries
Cost	¥69 billion
Laid down	27 January 2017
Launched	6 November 2019
Commissioned	24 March 2021
Identification	SS-512
Status	Active
General characteristics
Class and type	Sōryū-class attack submarine
Displacement	Surfaced: 2,900 tonnes (2,854 long tons) Submerged: 4,200 t (4,134 long tons)
Length	84.0 m (275 ft 7 in)
Beam	9.1 m (29 ft 10 in)
Draught	8.5 m (27 ft 11 in)
Propulsion	1-shaft 2× Kawasaki 12Ｖ 25/25 SB-type diesel engines diesel-electric Lithium-ion battery 3,900 hp (2,900 kW) surfaced 8,000 hp (6,000 kW) submerged
Speed	Surfaced: 13 kn (24 km/h; 15 mph) Submerged: 20 kn (37 km/h; 23 mph)[1]
Range	Unspecified; no AIP installed. For Sōryū-class, with AIP — endurance (est.): 6,100 nautical miles (11,300 km; 7,000 mi) at 6.5 kn (12.0 km/h; 7.5 mph)[1]
Complement	65 (9 officers, 56 enlisted)
Sensors and processing systems	ZPS-6F surface/low-level air search radar Hughes/Oki ZQQ-7 Sonar suite: 1× bow-array, 4× LF flank arrays and 1× Towed array sonar
Electronic warfare & decoys	ZLR-3-6 ESM equipment 2× 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures (ADCs)
Armament	6 × HU-606 21 in (533 mm) torpedo tubes with 30 reloads[citation needed] for: 1.) Type 89 torpedo 2.) Harpoon (missile) Mines

JS Tōryū (SS-512) is the twelfth boat of Sōryū-class submarines. She was commissioned on 24 March 2021.

Tōryū was laid down on January 27, 2017, at Kawasaki Heavy Industries Kobe Works as the 2016 plan 2900 ton type submarine No. 8127 based on the medium-term defense capability development plan (23 medium-term defense), and launched November 6, 2019. The naming and launching ceremony was held on that day.^[2][3]

Tōryū is the second submarine in class to follow the lead of the Ōryū. Both bear the distinction of being the first and second submarines launched with Lithium-ion batteries, which replaced the AIP Stirling engine system used in the other boats of the Sōryū-class submarines.

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  JS Tōryū on 6 November 2019.
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  JS Tōryū on 6 November 2019.
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  JS Tōryū on 6 November 2019.
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  JS Tōryū on 6 November 2019.
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  JS Tōryū fitting out on 4 October 2020.
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  JS Tōryū fitting out on 4 October 2020.

• 『世界の艦船 増刊第66集 海上自衛隊全艦艇史』（海人社、2004年

Media related to JS Tōryū (SS-512) at Wikimedia Commons