South Korean shipbuilder Hyundai Heavy Industries (HHI) has launched the Republic of Korea Navy's (RoKN's) ninth KSS-2-class (Type 214) diesel-electric attack submarine.
The 1,800-tonne Sin Dol-Seok was launched on 7 September in a ceremony held at the HHI shipyard in Ulsan, according to an RoKN statement. The boat, which was laid down in 2014, is set to be the last of the class, which has an overall length of 65 m and an overall beam of 6.3 m, according to Jane's World Navies .
The RoKN currently operates five of the nine boats of the class, which feature air-independent propulsion systems.
Sin Dol-Seok is the sixth KSS-2 boat manufactured by HHI. Another South Korean company, Daewoo Shipbuilding & Marine Engineering (DSME), launched the other three submarines of the class.
The KSS-2 class is powered by two MTU diesel engines and Siemens polymer electrolytic membrane fuel cells that allow it to remain submerged for up to two weeks at a time.
Each submarine can carry a crew of 40, reach depths of up to 400 m, and has a maximum speed underwater of 20 kts and 12 kts when surfaced. The platforms are equipped with bow-mounted, flank, and towed-array sonar systems.
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