Who's to say? I would assume they would have to test such an intercontinental missile this giving the United States the opportunity to blow it from space if they can get it that far. I am also aware these nuclear materials used in their missiles and bombs have a shelf life. And an intercontinental missile they'd have to test and improve on. They've also a starving population that us just as likely to erupt of he's working on telemetry rather than tacos.