Admiral Bill Gortney, the commander of North American Aerospace Defense Command (NORAD), told an event hosted by the Atlantic Council that the Obama administration believes North Korea has nuclear-tipped missiles that can reach the mainland U.S.A.
By U.S. Air Force ([1]. The image was uploaded to En.Wikipedia) [Public domain], via Wikimedia Commons
“We assess that they have the capability to reach the homeland with a nuclear weapon from a rocket.”