North Korea showcased the Hwasong-20, a three-stage solid-fuel ICBM with a 15,000 km range, capable of carrying MIRVs. Its engine is 40% more powerful than Hwasong-18. North Korea showcased the Hwasong-20, a three-stage solid-fuel ICBM with a 15,000 km range, capable of carrying MIRVs. Its engine is 40% more powerful than Hwasong-18.