Initial Operational Capability (IOC): 2021
Total Production: 6
Also Known As: Dosan An Chang-Ho and Jangbogo-III
Origin: South Korea
Corporations: DSME, Hyundai Heavy Industries and LIG Nex1
Parent System: KSS-III
Initial Operational Capability (IOC): 2021
Total Production: 6
Production Cost: KRW2.5 trillion   (USD$2.2 billion)
Total Cost: KRW2.5 trillion   (USD$2.2 billion)
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Description: The KSS-III is a 3,000-ton class advanced conventional attack submarine to be built locally for the Republic of Korea Navy (RoKN). The RoKN plans for the construction of three boats valued at 2.5 trillion Korean Won beginning in 2018. In early 2011, it was reported that the new submarines could be equipped with the Cheonryong land attack cruise missile. LIG Nex1 is developing the hull mounted sonar, the optronic mast system and the navigation radar for the new submarine. The RoKN ordered a second batch of three submarines in May 2019.

KSS-III Specifications

Crew: 50
Number of Vertical Launch Systems: 10
Beam: 9.60 meter (31.5 foot)
Length: 83 meter (273 foot)
Displacement Submerged: 3,450 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)


There are 5 news between
27 Oct 2014 and 18 Jun 2019
Tuesday, June 18, 2019Republic of Korea Navy Starts Sea Trials of KSS-3 Submarine
Friday, May 3, 2019South Korea to Buy Three More KDX-III Destroyers and Three More KSS-III Submarines
Wednesday, December 14, 2016South Korea Starts Construction of Submarine Equipped with Hyunmoo II Ballistic Missiles
Monday, October 12, 2015Sagem to Supply Type A26 Submarines with Optronic Mast
Monday, October 27, 2014Sagem to Supply Optronic Masts for South Korean KSS-III Submarines

Operators & Related Equipment


Grand Total 61
Defensive Weapons
White Shark
Offensive Weapons

KSS-III Ship Listing

SerialNameStatusLaunch DateCommissionDecommission
Dosan An Chang-Ho17 Sep 20182021-
#2 -2022-
Chang Bogo-III-2023-
#4 -2025-
#5 -2026-
#6 -2027-

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