Calls rose in South Korea for introducing a nuclear-powered submarine in response to the Democratic People's Republic of Korea (DPRK)'s advance in technology of submarine-launched ballistic missiles (SLBM).
South Korea's military on Sunday said the Democratic People's Republic of Korea's (DPRK) submarine- launched ballistic missile (SLBM) technology is partially advanced after Pyongyang's announcement of its test of a missile from a submarine.