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ROKS Ahn Mu
History
South Korea
Name	Ahn Mu (안무)
Namesake	Ahn Mu
Builder	Daewoo Shipbuilding & Marine Engineering, Geoje
Laid down	17 April 2018
Launched	10 November 2020
Commissioned	20 April 2023
Identification	Pennant number: SS-085
Status	Active
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 torpedoes and Harpoon missiles) 6 x VLS tubes (cruise and ballistic missile)

ROKS Ahn Mu (SS-085) is the second ship of Dosan Ahn Changho-class submarines of the Republic of Korea Navy (ROKN).

Development and design

The Dosan Ahn Changho class incorporates 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), becoming the first submarines in the ROKN 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. Measured to displace over 3,800 tonnes (3,700 long tons) submerged during sea trials, 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.

Construction and career

Ahn Mu was laid down on 17 April 2018 at DSME, Geoje and launched on 10 November 2020. She was commissioned on 20 April 2023.

References

1. Gady, Franz-Stefan (18 June 2019). "South Korea's First-of-Class KSS-III Attack Sub Begins Sea Trials". The Diplomat. Retrieved 24 November 2020.
2. "South Korea approves procurement of next batch of Aegis destroyers, subs". Naval Today. 6 May 2019. Retrieved 24 November 2020.
3. "DSME Jangbogo-III Batch-II Pilot Design Has Come to an End". Navy Recognition. 28 December 2018. Retrieved 24 November 2020.
4. "South Korea's first KSS-3 submarine begins sea trials". Jane's. Archived from the original on 18 June 2019. Retrieved 15 November 2020.
5. Jeong, Jeff (2 May 2019). "South Korea to build 3 more Aegis destroyers able to thwart ballistic missiles". Defense News. Retrieved 24 November 2020.
6. Makichuk, Dave (12 November 2020). "South Korean sub a tribute to famed general Ahn Mu". Asia Times. Retrieved 15 November 2020.
7. Service (KOCIS), Korean Culture and Information. "Navy launches 2nd 3,000-ton submarine Ahn Mu : Korea.net : The official website of the Republic of Korea". www.korea.net. Retrieved 15 November 2020.
8. "South Korea's 2nd KSS III Submarine Commissioned with ROK Navy". navalnews.com. 20 April 2023.

v t e   Commissioned ships of the Republic of Korea Navy
Submarines	Dosan Ahn Changho-class SS Dosan Ahn Changho Ahn Mu Shin Chae-ho Sohn Won-yil-class SS Sohn Won-yil Jeong Ji An Jung-geun Kim Jwa-jin Yun Bong-gil Yu Gwan-sun Hong Beom-do Lee Beom-seok Shin Dol-seok Jang Bogo-class SS Jang Bogo Yi Cheon Choe Museon Park Wi Lee Jongmoo Jung Woon Yi Sun-sin Na Dae-yong Yi Eokgi Dolgorae-class SSM Dolgorae 051 Dolgorae 052 Dolgorae 053
Destroyers	Sejong the Great-class DDG Sejong the Great Yulgok Yi I Seoae Ryu Seong-ryong Jeongjo the Great Chungmugong Yi Sun-sin-class DDH Chungmugong Yi Sun-sin Munmu the Great Dae Jo-yeong Wang Geon Gang Gam-chan Choe Yeong Gwanggaeto the Great-class DDH Gwanggaeto the Great Eulji Mundeok Yang Man-chun
Frigates	Daegu-class FFG Daegu Gyeongnam Seoul Donghae Daejeon Pohang Cheonan Chuncheon Incheon-class FFG Incheon Gyeonggi Jeonbuk Gangwon Chungbuk Gwangju Ulsan-class FF Chungnam Masan Gyeongbuk Jeonnam Jeju Busan Cheongju
Corvettes	Pohang-class PCC Jinhae Wonju Andong Bucheon Seongnam Jecheon Daecheon Sokcho Yeongju Namwon Gwangmyeong Sinseong Gongju
Patrol vessels	Yoon Youngha-class PKG Yoon Youngha Han Sanggook Jo Chunhyung Hwang Dohyun Suh Hoowon Park Donghyuk Jung Geungmo Ji Deokchil Lim Byeongrae Hong Siuk Hong Daeseon Han Munsik Kim Changhak Park Dongjin Kim Soohyun Jeon Byeongik Lee Byungchul Chamsuri 211-class PKMR Chamsuri 211 - 229 Chamsuri-class PKM Chamsuri 298 - 375
Amphibious warfare ships	Dokdo-class LPH Dokdo Marado Cheon Wang Bong-class LST Cheonwangbong Cheonjabong Ilchulbong Nojeokbong Go Jun Bong-class LST Gojunbong Birobong Hyangnobong Seonginbong Solgae 631-class LSF Solgae 631 Solgae 632 Solgae 633 Solgae 635 Solgae 621-class LSF Solgae 621 Solgae 622 Solgae 623
Mine warfare ships	Nampo-class MLS Nampo Wonsan-class MLS Wonsan Yangyang-class MSH Yangyang Ongjin Haenam Ganggyeong-class MHC Ganggyeong Gangjin Goryeong Gimpo Gochang Gimhwa
Auxiliary ships	Soyang-class AOE Soyang Cheonji-class AOE Cheonji Daecheong Hwacheon Pyeongtaek-class ATS Pyeongtaek Gwangyang Tongyeong Cheonghaejin-class ASR Cheonghaejin Singiwon-class AGS Singiwon Sinsegi-class AGS Sinsegi Dadohae-class ASL Dadohae Mulgae 87-class LCU Mulgae 87 - 91 Mulgae 79-class LCU/L Mulgae 83 - 86

• Dosan Ahn Changho-class submarines
• Attack submarines
• 2020 ships
• Submarines of South Korea