(ICBM)
Two American B-1B heavy bombers joined large-scale combat drills over South Korea on Thursday amid warnings from North Korea that the exercises and U.S. threats.
North Korea has sent a message that it is working on an intercontinental ballistic missile (ICBM) more powerful than any it has previously tested.
North Korea's leader Kim Jong-Un has ordered more production of rocket engines and intercontinental ballistic missile (ICBM) nosecones.
North Korea does not have the ability to strike the United States with "any degree of accuracy" and while its missiles have the range.