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

JS Unryū
History
Japan
Name
  • Unryū
  • (うんりゅう)
NamesakeFlying dragon in cloud
Ordered2005
BuilderKawasaki Heavy Industries
Cost¥64.3 billion
Laid down31 March 2006
Launched15 October 2008
Commissioned25 March 2010
HomeportKure
IdentificationSS-502
StatusActive
General characteristics
Class and typeSōryū-class attack submarine
Displacement
  • Surfaced: 2,900 tonnes (2,854 long tons)
  • Submerged: 4,200 t (4,134 long tons)
Length84.0 m (275 ftin)
Beam9.1 m (29 ft 10 in)
Draught8.5 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]
RangeAIP endurance (est.): 6,100 nautical miles (11,300 km; 7,000 mi) at 6.5 knots (12.0 km/h; 7.5 mph)[1]
Complement65 (9 officers, 56 enlisted)
Sensors and
processing systems
Electronic warfare
& decoys
Armament

Construction and career

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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 of the same year to 14 January 2017, he participated in the US dispatch training (toward Hawaii).[2]

From 27 August – 28 November 2020, he will participate in US dispatch training (submarines) and conduct 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]

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Citations

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  1. ^ a b 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. ^ "平成28年度第2回米国派遣訓練(潜水艦)について" [FY2016 Second US Expedition Training (Submarine)] (PDF) (in Japanese). Archived from the original (PDF) on 7 November 2020.
  3. ^ "令和2年度第1回米国派遣訓練(潜水艦)について" [First US dispatch training (submarine) for FY2020] (PDF) (in Japanese).
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