North Korea test-fired a new and more powerful intercontinental ballistic missile Thursday for the first time in a year that reached an altitude of 4,350 miles - higher than previous launches - a potential advancement in its goal to attack the mainland U.S., according to reports.
Shin Seung-ki, head of research on North Korea's military at the state-run Korea Institute for Defense Analyses, said North Korea was likely testing improved booster performance of an existing ICBM, noting that Russia provided assistance, Reuters reported
