ROKS Na Dae-yong

ROKS Na Dae-yong underway on 8 July 2002.
History
South Korea
Name	Na Dae-yong (나대용)
Namesake	Na Dae-yong
Ordered	12 August 1976
Builder	DSME
Launched	9 June 1999
Acquired	30 November 2000
Commissioned	1 December 2000
Identification	Pennant number: SS-069
Status	Active
General characteristics
Class and type	Jang Bogo-class submarine
Displacement	1,180 t (1,160 long tons) surfaced 1,285 t (1,265 long tons) submerged
Length	55.9 m (183 ft 5 in)
Beam	6.4 m (21 ft 0 in)
Draft	5.9 m (19 ft 4 in)
Propulsion	4 MTU Type 12V493 AZ80 GA31L diesel engines 1 Siemens electric motor 1 shaft 4,600 hp (3,400 kW)
Speed	11 knots (20 km/h; 13 mph) surfaced 21 knots (39 km/h; 24 mph) submerged[citation needed]
Range	11,300 nmi (20,900 km; 13,000 mi) surfaced at 4 knots (7.4 km/h; 4.6 mph)
Endurance	50 days
Complement	5 officers, 26 enlisted
Armament	8 × 21 in (533 mm) torpedo tubes 14 SST-4 torpedoes

ROKS Na Dae-yong (SS-069) is the eighth boat of the Jang Bogo-class submarine of the Republic of Korea Navy. She is one of Jang Bogo-class submarines to be built in South Korea.