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	JS Unryū
History
Japan
Name	Unryū; (うんりゅう);
Namesake	Flying dragon in cloud
Ordered	2005
Builder	Kawasaki Heavy Industries
Cost	¥64.3 billion
Laid down	31 March 2006
Launched	15 October 2008
Commissioned	25 March 2010
Homeport	Kure
Identification	SS-502
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[citation needed] for:; 1.) Type 89 torpedo; 2.) Harpoon (missile); Mines;

JS Unryū (SS-502) is the second boat of the Sōryū-class submarines. She was commissioned on 25 March 2010.

Construction and career

Unryū was laid down at Kawasaki Heavy Industries Kobe Shipyard on 31 March 2006 as the 2005 plan 2900-ton submarine No. 8117 based on the medium-term defense capability development plan. At the launching ceremony, it was named Unryū and launched. She's commissioned on 25 March 2010 and deployed to Kure.^{[citation needed]}

On 24 September 2013, she left Kure for Hawaii for training in the United States. I returned to Kure on 24 December.^{[citation needed]}

From 10 to 15 May 2016, joint training such as anti-submarine training was conducted with the Royal Australian Navy submarine HMAS Rankin off the coast of Shikoku.^{[citation needed]}

From 14 October 2016 to 14 January 2017, he participated in the US dispatch training (toward Hawaii).^[2]

From 27 August to 28 November 2020, the ship participated in US dispatch training (submarines) and conducted offshore training and facility utilization training in the Hawaiian Islands area.^[3]

Unryū belongs to the 5th Submarine of the 1st Submarine Group, and its homeport is Kure.^{[citation needed]}