NAVAL SYSTEM
IN PRODUCTION
BATTLE TESTED 89%
KSS-III Submarine
KSS-III Batch I/II
MANUFACTURER Hanwha Ocean
IN SERVICE 2021
SPEED 20 kn
MASS 3000 t
CREW 50
KSS-III Batch I/II
OVERVIEW
The KSS-III (Jangbogo-III class) is a 3,000-ton diesel-electric attack submarine featuring air-independent propulsion (AIP), six vertical launch cells for cruise missiles, and advanced combat systems. The most capable conventional submarine in the ROK Navy inventory.
TECHNICAL SPECIFICATIONS
displacement tonnes
3000
length m
83.5
beam m
9.6
propulsion
Diesel-electric with lithium-ion batteries (Batch II)
vls cells
6
torpedo tubes
8
max speed knots
20
crew
50
diving depth m
Classified (estimated 400+)
BATTLE TESTED REVIEWS
89
ROK Navy Fleet Exercises FLEET PROVEN
2024 | ROK Navy Submarine Command
KSS-III (ROKS Dosan Ahn Changho) completed its first full fleet exercise deployment, successfully conducting VLS cruise missile launches, anti-submarine warfare operations, and covert ISR missions. The lithium-ion battery system on Batch II demonstrated significantly extended submerged endurance.
Successful VLS cruise missile launch from depth
Extended submerged endurance with Li-ion batteries
Undetected penetration of opposing force screen
Multi-domain strike capability demonstrated