When your job is to be ready for nuclear war

What would happen today if the president ever gave the order to unleash nuclear weapons? More

What would happen today if the president ever gave the order to unleash nuclear weapons? Granted rare access to America's nuclear war fighters, veteran correspondent Jamie McIntyre on special assignment for the NewsHour profiles the people and the fleet that would carry out such a mission, then joins John Yang to discuss what he’s learned about America’s aging arsenal.

AIR DATE 4/13/16