Kim Jong Un on Monday watched a test of North Korea’s new high-thrust rocket engine, setting the stage for Pyongyang to test its newest intercontinental ballistic missile

North Korean leader Kim Jong Un oversaw the final test of a powerful solid-fuel engine for intercontinental ballistic missiles, state media reported Tuesday.

North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal that could viably threaten the continental United States.