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North Korea claims it tested "radioactive tsunami", an underwater nuclear
Updated : 3 years, 2 months ago IST
A report from the state-run Korean Central News Agency (KCNA) said the drone, called the "Unmanned Underwater Nuclear Attack Craft 'Haeil,'" was tested from March 21 to 23, cruising in waters off the country's east coast for more than 59 hours before its test warhead was detonated on Thur
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