Engineering:ROKS Dosan Ahn Chang-ho

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Short description: Dosan Ahn Changho-class submarine
ROKS Dosan Ahn Chang-ho
History
South Korea
Name
  • Dosan Ahn Chang-ho
  • (도산안창호)
NamesakeDosan Ahn Chang-ho
BuilderDSME, Geoje
Laid down17 May 2016
Launched14 September 2018
Commissioned13 August 2021
IdentificationPennant number: SS-083
StatusFitting out
General characteristics
Class and type: Dosan Ahn Changho-class submarine
Displacement:
  • 3,358 tons surfaced
  • 3,750 tons submerged
Length: 83.5 m (273 ft 11 in)
Beam: 9.6 m (31 ft 6 in)
Draught: 7.62 m (25 ft 0 in)
Propulsion:
  • Diesel-electric, low noise skew back propeller
  • 4 x Bumhan Industry PH1 PEM fuel cell each with 150 kW
Speed:
  • 12 knots (22 km/h; 14 mph) surfaced
  • 20 knots (37 km/h; 23 mph) submerged
Range: 10,000 nmi (19,000 km; 12,000 mi)
Endurance: 50 days
Complement: 50
Armament:
  • 6 x 533 mm (21 in) torpedo tubes (Tiger Shark torpedo and Harpoon)
  • 6 x VLS tubes (Cruise and ballistic missile)

ROKS Dosan Ahn Chang-ho (SS-083) is the lead ship of Dosan Ahn Changho-class submarines. She was commissioned on 13 August 2021.[1]

Development and design

The Dosan Ahn Chang-ho class are equipped with the Korean Vertical Launching System which will be able to carry up to ten indigenous "Chonryong" land-attack cruise missiles and "Hyunmoo" submarine-launched ballistic missiles (SLBM),[2] becoming the first submarines in the South Korean navy to have this kind of capability. They will also have many other improvements compared to their predecessors built with a greater degree of South Korean technology, especially in the later batches, which will include Samsung SDI lithium-ion batteries.[3][4] Measured to displace over 3,800 tonnes (3,700 long tons) submerged during sea trials,[5] they are the largest conventional submarines ever built by South Korea. The Batch II vessels will increase their displacement by approximately 450 t (440 long tons) (4,250 t, 4,180 long tons submerged), according to the Defense Acquisition Program Administration.[6]

Construction and career

Dosan Ahn Chang-ho was laid down on 17 May 2016 at DSME, Geoje and launched on 14 September 2018. She began her sea trials in 2019[5] and was commissioned on 13 August 2021.[1] On 15 September 2021, she was reported to have successfully fired a new submarine launched ballistic missile (SLBM) while submerged.

References

  1. ↑ 1.0 1.1 "ROK Navy Commissions Her First KSS III Submarine". 13 August 2021. https://www.navalnews.com/naval-news/2021/08/rok-navy-commissions-her-first-kss-iii-submarine/. 
  2. ↑ Gady, Franz-Stefan (18 June 2019). "South Korea's First-of-Class KSS-III Attack Sub Begins Sea Trials". The Diplomat. https://thediplomat.com/2019/06/south-koreas-first-of-class-kss-iii-attack-sub-begins-sea-trials/. 
  3. ↑ "South Korea approves procurement of next batch of Aegis destroyers, subs". Naval Today. 6 May 2019. https://navaltoday.com/2019/05/06/south-korea-approves-procurement-of-next-batch-of-aegis-destroyers-subs/. 
  4. ↑ "DSME Jangbogo-III Batch-II Pilot Design Has Come to an End". Navy Recognition. 28 December 2018. https://www.navyrecognition.com/index.php/news/defence-news/2018/december/6720-dsme-jangbogo-iii-batch-ii-pilot-design-has-come-to-an-end.html. 
  5. ↑ 5.0 5.1 Rahmat, Ridzwan (17 June 2019). "South Korea's first KSS-3 submarine begins sea trials". Jane's. https://www.janes.com/article/89283/south-korea-s-first-kss-3-submarine-begins-sea-trials. 
  6. ↑ Jeong, Jeff (2 May 2019). "South Korea to build 3 more Aegis destroyers able to thwart ballistic missiles". Defense News. https://www.defensenews.com/naval/2019/05/02/south-korea-to-build-3-more-aegis-destroyers-able-to-thwart-ballistic-missiles/. 


Template:Dosan Ahn Changho class submarine



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