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Cheon Wang Bong-class tank landing ship

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ROKS Cheon Wang Bong during her launching
Class overview
NameCheon Wang Bong class
BuildersHanjin Heavy Industries, Hyundai Heavy Industries
Operators Republic of Korea Navy
Preceded byGo Jun Bong class
Built2014 -
In service2014 - present
In commission2014 - present
Planned4
Completed4
Active4
General characteristics
TypeLanding Ship, Tank
Tonnage4,950 tons (empty) / 7,140 tons (full)
Length126.9 m (416 ft)
Beam19.4 m (64 ft)
Draught5.4 m (18 ft)
Installed power12,800 hp (9,500 kW)
PropulsionCODAD, 4 × MAN 12V28/33D STC diesel engines rated at 5460 kW, 4 x 6L21/31 auxiliary engines rated 1,200 kW [1]
Speed
  • 23 knots (43 km/h; 26 mph) maximum
  • 18 knots (33 km/h; 21 mph) cruising
Range8,000 nmi (15,000 km; 9,200 mi)
Boats & landing
craft carried		2 x LCM
Troops300
Crew120
Sensors and
processing systems
Armament
  • 1 × Hanwha Defense Systems (formerly Doosan DST) 'No Bong' twin 40mm gun
  • 4-cell K-VLS Compact Version for:
    • Haegung K-SAAM quadpacked in 4 per cell
ArmorLIG Nex1 SLQ-200K Sonata electronic warfare suite, Rheinmetall MASS decoy system[2]
Aviation facilitiesAft helicopter deck

The Cheon Wang Bong-class tank landing ship (Korean: 천왕봉급 전차상륙함; Hanja: 天王峰級戰車上陸艦) is an amphibious landing ship class of the Republic of Korea Navy.

Development

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ROKS No Jeok Bong in Langkawi 2023

In the late 1980s the Republic of Korea Navy decided to gradually replace its aging fleet of World War II-era LST-542-class tank landing ships (renamed Un Bong-class LST) purchased from the US Navy in 1958. A three phase plan was laid out to develop new landing ships to meet the demands of modern amphibious and transport operations.

The first phase was designated as the LST-I project, and development and design started in 1987 by Korea Tacoma, currently Hanjin Heavy Industries. After 4 years of development, the lead ship Go Jun Bong (LST-681) was launched in 1991. Three more ships followed and all four ships were commissioned by 1998.

The second phase, or LST-II, was originally planned to import four Newport-class tank landing ships, but after being postponed due to budget issues, it was changed in favor for domestic built 4500-ton LPDs to be commissioned by 2013-2016.[3] After the construction of the first vessel, a follow-on contract for four additional vessels were awarded to Hyundai Heavy Industries in December 2013.[4]

Ships in the class

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Name Pennant number Builder Launched Commissioned Decommissioned Status
ROKS Cheon Wang Bong LST-686 Hanjin Heavy Industries 11 September 2013 1 December 2014 Active
ROKS Cheon Ja Bong LST-687 Hyundai Heavy Industries 15 December 2015 1 August 2017 Active
ROKS Il Chul Bong LST-688 Hyundai Heavy Industries 25 October 2016 2 April 2018 Active
ROKS No Jeok Bong LST-689 Hyundai Heavy Industries 2 November 2017 21 November 2018 Active

References

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  1. ^ "MAN Engines Bound for Korean Navy Vessel - Diesel & Gas Turbine Worldwide - July 2011". Archived from the original on 2016-03-04. Retrieved 2015-01-18.
  2. ^ "Rheinmetall receives order from South Korea: MASS naval countermeasures system for LST-II-class".
  3. ^ Chosun Daily - 4천500t급 차기상륙함 윤곽 드러나 10/9/2007 Archived 2007-10-11 at the Wayback Machine
  4. ^ "S. Korea signs contract to acquire second LST-II landing ship". english.yonhapnews.co.kr.
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