North Korean leader Kim Jong Un supervised a ground test of a new solid-fuel engine designed for intercontinental missiles capable of reaching the US mainland.The Korean Central News Agency reported that the engine produced a thrust of 2,500 kilonewtons using advanced composite carbon fiber materials.International analysts suggest the regime might be receiving technical support from Russia to enhance its strategic nuclear strike capabilities.Military tensions have remained high since the 2019 breakdown of nuclear diplomacy between
Kim Jong Un and former President
Donald Trump.