The Pentagon successfully shot down an intercontinental ballistic missile using its own upgraded long-range interceptor missile on Tuesday in what was widely seen as a test of US ability to counter a North Korean missile launch. The Missile Defense Agency launched a ground-based interceptor from Vandenberg Air Force Base in California to intercept a US-launched mock ICBM target over the Pacific Ocean, according to a US defense official. The interceptor "destroyed the target in a direct collision," according to a statement from the Missile Defense Agency. read more http://www.cnn.com/2017/05/30/politics/pentagon-missile-test-north-korea-iran/index.html
I believe they had this technology for decades. The armed forces of this country have methods we cannot fathom. This is a news story manufactured for the media. NK after they try something technical against US.