the President can order nukes to launch. there's no law curtailing that power, and military orders are the purview of the Executive under the Constitution, so i

the President can order nukes to launch. there's no law curtailing that power, and military orders are the purview of the Executive under the Constitution, so it's doubtful Congress could even prevent that. the nuclear football is basically a fancy sat phone though, so it's less clear if the generals who get the war order would actually obey.