S. Korea spots signs of N. Korea's submarine rocket development

South Korea's military confirmed Sunday it has detected signs of North Korea's development of a submarine-based ballistic missile launch system.

In a report to an opposition lawmaker, the Joint Chiefs of Staff (JCS) said there is an indication that the North is developing a submarine-launched ballistic missile (SLBM).

"There is no intelligence yet that North Korea has an SLBM in operation. But the possibility of a North Korean submarine equipped with an SLBM has been detected recently," the JCS said in the document submitted to Rep. Jin Sung-joon of the main opposition New Politics Alliance for Democracy.

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