 Missiles from a distance, cyber attacks, drones, all of these things under this rationale the president can use whenever he thinks the national interest calls for it in any country. End of story. The upshot is, and this is not an exaggeration, is basically the president can use almost all of these massive military tools at his disposal when the president thinks it's in the national interest to do so or when he has one of these very broad self-defensive rationales.