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Submarines1996–present
Submarine rescue ship
Cheonghaejin-class submarine rescue ship is a submarine rescue ship. It was built by Daewoo , Okpo. Reported operators include Republic of Korea Navy.
South KoreaCheonghaejin-class submarine rescue ship
Senior Chief Photographer’s Mate Terry Cosgrove · Public domain · Resized · Public domain · Source ↗ · ModifiedDaewoo , Okpo
Republic of Korea Navy
1994–1996
1996–present
1
1
1
Submarine rescue ship
4,330 t (4,260 long tons )
102.8 m (337 ft 3 in)
16.4 m (53 ft 10 in)
4.6 m (15 ft 1 in)
Diesel-electric 4 × diesel engines , 2,200 kW (2,950 bhp ) each 2 × electric motors, 4,060 kW (5,440 shp )
2 × controllable pitch propellers 3 × bow thrusters 2 × stern thrusters
18.5 knots (34.3 km/h; 21.3 mph)
9,500 nmi (17,600 km; 10,900 mi) at 15 knots (28 km/h; 17 mph)
2 x LCVPs 1 × deep submergence rescue vehicle
130
Hull-mounted sonar
6 × 12.7 mm (0.50 in) machine guns
Platform for light helicopter
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 102.8 m | Wikipedia contributors | superseded |
Cheonghaejin-class submarine rescue ship equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
South KoreaNavy exact named class holdings of Cheong Hae Jin. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): LOGISTICS AND SUPPORT / ASR. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The own fetched design source declares this exact class and its PDF operator country; ship capacities and fitted launcher/armament counts are retained as source scope, not added to hull quantities.