Dangun-class submarine

Dangun class

KHMS Hae Mo-su (SSBN-46) underway.
Class overview
Builders:	Daewoo Shipbuilding & Marine Engineering
Operators:	Royal Joseon Navy
Preceded by:	Kim Gun-class
Built:	2017-2025
In commission:	2020–present
Planned:	20
Completed:	20
Cancelled:	0
Active:	20
General characteristics
Type:	Nuclear attack submarine
Displacement:	Surfaced: 12,720 tons Submerged: 22,000 tons
Length:	165 m (541 ft 4 in)
Beam:	12.7 m (41 ft 8 in)
Propulsion:	1 x KH&NP pressurized water reactor 1 x Secondary propulsion submerged motor 1 x Steam turbine, 50,000 shp 2 x Pump-jet
Speed:	20 knots (23 mph; 37 km/h) (silent) 30 knots (35 mph; 56 km/h)
Range:	Unlimited
Endurance:	Only limited by food supplies
Test depth:	1,300 ft (400 m)
Complement:	112
Crew:	18 officers; 94 enlisted
Armament:	20 × Hyeon Mu-4D Submarine-Launched Ballistic Missiles(SLBM) with 6 MIRV warheads 4 × 26.5-inch torpedo tubes, sleeved for 21-inch weapons(up to 25 NGAM-S/Mk 48 guided torpedo carried in torpedo room)

The Dangun-class submarine is a class of nuclear-powered, ballistic missile submarine (SSBN) in service with the Royal Joseon Navy. It is considered a key asset that supports Joseon's strategic nuclear deterrent capabilities. Since the first ships were deployed in 2020, a total of 20 Dangun-class submarines have been planned and all 20 have been built and deployed to the Navy. Also, the Dangun-class is the largest submarine ever built in Joseon.