North Korean leader Kim Jong Un attended the test of an upgraded 240 mm rocket launcher system, state media said on Wednesday.
The system "proved its superiority in mobility and strike concentration" during the inspection testing, state news agency KCNA said.
Earlier this week, Kim Jong Un oversaw tests of new "suicide drones," watching them take off and destroy test targets including a mock tank, and urged researchers to develop artificial intelligence for the unmanned vehicles.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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