file photo released by North Korea's state media shows a missile being launched from waters off its east coast on Oct. 2, 2019. The North's Korean Central News Agency on Oct. 3 said that it successfully test-fired a submarine-launched ballistic missile from waters off its eastern coast town of Wonsan the previous day. (For Use Only in the Republic of Korea. No Redistribution) (Yonhap)
This photo released by North Korea's state media shows a missile being launched from waters off its east coast on Oct. 2, 2019. The North's Korean Central News Agency on Oct. 3 said that it successfully test-fired a submarine-launched ballistic missile from waters off its eastern coast town of Wonsan the previous day. (For Use Only in the Republic of Korea. No Redistribution) (Yonhap)