ballistic missile First intercontinental ballistic missile fired by North Korea after threat over alleged US spy flights 2 years ago Some professionals say North Korea probably launched its developmental, road-mobile Hwasong-18 ICBM, a kind of solid-fuel weapon that is more… An unspecified ballistic missile is launched by North Korea off its east coast, making it the 12th such launch this year 2 years ago North Korea has fired an unspecified ballistic missile off its east coast, South Korea's Joint Chiefs of Staff stated in…