JS Ōryū on 7 October 2018
History
Japan
Name	Ōryū (おうりゅう)
Namesake	Knowledgeable dragon (凰龍)
Ordered	2015
Builder	Kawasaki Heavy Industries
Cost	¥69 billion
Laid down	16 November 2015
Launched	4 October 2018
Commissioned	5 March 2020
Homeport	Kure
Identification	SS-511
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 knots (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 Ōryū (SS-511) is the eleventh boat of Sōryū-class submarines. She was commissioned on 5 March 2020.

Ōryū was laid down at Mitsubishi Heavy Industries Kobe Shipyard on November 16, 2015, as the 2015 plan 2900 ton type submarine No. 8126 based on the medium-term defense capability development plan (23 medium-term defense), and October 2018 It was named and launched on 4 March, and the delivery ceremony and the self-defense ship flag awarding ceremony were held on 5 March 2020, and it was commissioned. It was incorporated into the 1st Submarine Flotilla and deployed at Kure Naval Base.^[2][3]

The Ōryū bears the distinction of being the first submarine 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 Ōryū at Kobe on 7 October 2018.
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  JS Ōryū at Kobe on 7 October 2018.
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  JS Ōryū at Kobe on 7 October 2018.

• 『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 Ōryū (SS-511) at Wikimedia Commons