Cheonghaejin-class submarine rescue ship

Class overview
Operators:	Republic of Korea Navy
Built:	1995
In service:	1995 - present
Completed:	1
Active:	1
General characteristics
Type:	Submarine rescue ship
Tonnage:	4,300 tons
Length:	102.8 m (337 ft)
Beam:	16.4 m (54 ft)
Draught:	4.6 m (15 ft)
Speed:	18 knots (33 kmh)
Range:	4,500 nmi (8,300 km; 5,200 mi)
Crew:	140
Armament:	6 × 12.7mm machine gun

Cheonghaejin Class ASR (Hangul: 청해진급 잠수함 구조함; Hanja: 淸海鎭級潛水艦救助艦) is a Submarine rescue ship class of the Republic of Korea Navy. Only one ship has been built in her class, the ROKS Cheonghaejin (ASR 21), in 1995. Its operations include rescuing trapped sailors in submarines, naval operation support for submarines, underwater research and mapping support, and recovery of sunk vessels. It is equipped with a Deep Submergence Rescue Vehicle (DSRV) that operates up to 500 meters, and a rescue chamber that holds up to 9 people.

Once all 9 Son Wonil class submarines are delivered to the Republic of Korea Navy, another ASR ship of the same class is planned to be built.

• Notable Operations
  • salvaged a Yugo class North Korean submarine in 1998
  • salvaged Chamsuri class patrol boat #357 that was sunk during the naval clash in 2002 with North Korea

Commissioned ships of the Republic of Korea Navy
Destroyers	Sejong the Great class Sejong the Great Yulgok Yi I Seoae Yu Seong-ryong Chungmugong Yi Sun-sin class Chungmugong Yi Sun-sin Munmu the Great Dae Jo-yeong Wang Geon Gang Gam-chan Choe Yeong Gwanggaeto the Great class Gwanggaeto the Great Eulji Mundeok Yang Manchun
Submarines	Son Won-il class Son Won-il Jeong Ji An Jung-geun Chang Bogo class Chang Bogo Lee Cheon Choi Museon Park Wi Lee Jongmu Jung Woon Lee Sunsin Na Daeyong Lee Eokgi Dolgorae class ROKS SSM-052 ~ 053
Frigates	Ulsan class Ulsan Seoul Chungnam Masan Gyeongbuk Jeonnam Jeju Busan Cheongju Incheon class Incheon Gyeonggi Jeonbuk Gangwon Chungbuk Gwangju Daegu class Daegu
Corvettes	Pohang class Gyeongju Mokpo Gimcheon Chungju Jinju Yeosu Jinhae Suncheon Iri Wonju Andong Bucheon Seongnam Jecheon Daecheon Sokcho Yeongju Namwon Gwangmyeong Sinseong Gongju Donghae class Donghae Suwon Gangneung Anyang
Patrol ships	Gumdoksuri class Yoon Youngha Han Sanggook Jo Chunhyung Hwang Dohyun Suh Hoowon Park Donghyuk Jung Geungmo Chamsuri class ROKS PKM-2xx ~ 3xx
Amphibious warfare ships	Dokdo-class LPH Dokdo Go Jun Bong-class LST Go Jun Bong Bi Ro Bong Hyang Ro Bong Sung In Bong Cheon Wang Bong-class LST Cheon Wang Bong tbc tbc tbc Solgae-class LSF ROKS LSF-621 ~ 623, 631 ~ 632
Mine counter measures vessels	Wonsan class Wonsan Ganggyeong class Ganggyeong Gangjin Goryeong Gimpo Gochang Geumhwa Yangyang class Yangyang Ongjin Haenam
Auxiliary ships	Cheonji-class AOE Cheonji Daecheong Hwacheon Cheonghaejin-class ASR Cheonghaejin Pyeongtaek-class ATS Pyeongtaek Gwangyang Sincheonji-class AGS Sincheonji Sinsegi-class AGS Sinsegi Dadohae-class ASL Dadohae