JS Unryū

For other ships with the same name, see Japanese ship Unryū.

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

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 & 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)[1]
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)[1]
Complement	65 (9 officers, 56 enlisted)
Sensors & 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

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 was 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. She 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]}

Gallery

• 
  JS Unryū being launched at Kobe on 15 October 2008.
• 
  JS Unryū, date unknown
• 
  JS Unryū at Kobe on 14 April 2013.
• 
  JS Unryū at Kobe on 14 April 2013.
• 
  JS Unryū at Kure on 15 September 2014.
• 
  JS Unryū at Pearl Harbor on 4 November 2016.