SEOUL -- North Korea's latest weapons tests show how the country is trying to expand its options for tactical nuclear attacks in the face of superior U.S. and South Korean naval power, defense analysts said.
N Korea at crossroads
North Korea seeks to add 'radioactive tsunami' to nuclear arsenal
Latest weapons tests show effort to broaden Pyongyang's attack options
North Korea conducted nuclear-capable cruise missile and underwater drone attack tests this week. (KCNA via Kyodo)
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