An anonymous South Korean official was quoted by Korea Joongang Daily as saying that Seoul intends to fit submarine-launch ballistic missile (SLBM) on its next generation Chang Bogo-III submarine.
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By U.S. Navy photo by Mass Communication Specialist 2nd Class Ronald Gutridge [Public domain], via Wikimedia Commons
This class of boats are planned to be equipped with vertical launch system with 10 indigenous Hyunmoo cruise missiles each.
A senior researcher at Korean Institue of Science and Technology says the cold launch technology for launching missiles underwater will be based on Russia’s S-400 air defense missile.