Bangladesh, March 30 -- North Korean leader Kim Jong Un oversaw a ground test of an upgraded solid-fuel rocket engine, state media reported on Sunday, in the latest sign of Pyongyang's push to enhance its strategic weapons arsenal.
Solid-fuel engines enable faster missile launches as they require little preparation before ignition and defence experts believe North Korea is planning to use them in the intercontinental ballistic missiles it is developing, reports AFP.
The test of the solid-fuel engine made of composite carbon fibre material was "part of the national defence development plan in the period of the new five-year plan".
Pyongyang's official Korean Central News Agency (KCNA) said.
Pursuing the high-thrust engines "conforms with...