The top officer at U.S. Strategic Command said on Saturday an order from President Donald Trump or any of his successors to launch nuclear weapons can be refused if that order is determined to be illegal.
Air Force Gen. John Hyten, commander of Strategic Command, told a panel at the Halifax International Security Forum on Saturday that he and Trump have had conversations about such a scenario and that he would tell Trump he couldn't carry out an illegal strike.
"If it's illegal, guess what's going to happen. I'm going to say, 'Mr President, that's illegal.' And guess what he's going to do? He's going to say, 'What would be legal?'" Hyten said.
"And we'll come up with options with a mix of capabilities to respond to whatever the situation is, and that's the way it works."