JS Unryū (SS-502)

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

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

JS Unryū
History
Japan
Name:
  • Unryū
  • (うんりゅう)
Namesake: Unryū
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)[1]
Range: AIP endurance (est.): 6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h)[1]
Complement: 65 (9 officers, 56 enlisted)
Sensors and
processing systems:
Electronic warfare
& decoys:
  • ZLR-3-6 ESM equipment
  • 2× 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures (ADCs)
Armament:

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.

On 24 September 2013, she left Kure for Hawaii for training in the United States. I returned to Kure on 24 December.

From 10 May – 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.

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.

  • 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.

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. https://www.mod.go.jp/msdf/formal/info/news/201610/20161011-02.pdf
  3. https://www.mod.go.jp/msdf/release/202008/20200825-2.pdf

References
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