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JS Kokuryū
History
Japan
Name	Kokuryū (こくりゅう)
Namesake	Kokuryū (transl. black dragon)
Ordered	2010
Builder	Kawasaki Heavy Industries
Cost	¥64.3 billion
Laid down	21 January 2011
Launched	31 October 2013
Commissioned	9 March 2015
Homeport	Yokosuka
Identification	SS-506
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 4× Kawasaki Kockums V4-275R Stirling engines 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)
Range	AIP endurance (est.): 6,100 nautical miles (11,300 km; 7,000 mi) at 6.5 knots (12.0 km/h; 7.5 mph)
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 for: 1.) Type 89 torpedo 2.) Harpoon (missile) Mines

JS Kokuryū (SS-506) is the sixth boat of Sōryū-class submarines. She was commissioned on 9 March 2015.

Construction and career

Kokuryū was laid down at Kawasaki Heavy Industries Kobe Shipyard on January 21, 2011, as the 2010 plan 2900-ton submarine No. 8121 based on the medium-term defense capability development plan. At the launching ceremony, it was named Kokuryū and launched on 31 October 2013. She's commissioned on 9 March 2015 and deployed to Yokosuka.

Kokuryū homeport is Yokosuka.

Gallery

• JS Kokuryū at Kobe on 4 November 2013.
• JS Kokuryū at Kobe on 14 February 2015.
• JS Kokuryū surfacing, date unknown.

Citations

1. ^ Pike, John. "SS-501 Soryu / 16SS / SS 2,900 ton Class". www.globalsecurity.org. Archived from the original on 5 March 2016. Retrieved 11 July 2012.
2. "Soryu class submarine SS 501 japan maritime self defense force jmsdf". www.seaforces.org. Retrieved 30 October 2020.
3. 日本テレビ. "潜航中に充電！最新潜水艦「ずいりゅう」|日テレNEWS24". 日テレNEWS24 (in Japanese). Retrieved 30 October 2020.

External links

Media related to JS Kokuryū (SS-506) at Wikimedia Commons

• 2013 ships
• Sōryū-class submarines
• Ships built by Kawasaki Heavy Industries