They can test and fire off missiles all they want. If they want to continue living, don't fire upon the United States, it’s territories or our allies . Simple. This is not a new situation accept for the fact that President Trump is a different kind of president. He will not hesitate to destroy North Korea off the face of the Earth.
AOL News reports U.S. Defense Secretary Jim Mattis on Sunday threatened a "massive military response" to any attack on the United States or its allies after North Korea conducted its most powerful nuclear test to date.Speaking outside the White House, Mattis said: "Any threat to the United States or its territories, including Guam or our allies will be met with a massive military response, a response both effective and overwhelming."
If North Korea wants some, they'll get some and a Hell of a lot more!