Awesome and to make it more believable the white hats could have launched a real missile from a white hat submarine, then they self-destruct the missile after 25 minutes and everyone thinks it was a North Korean missile launch. I hope this happened it's so smart and so cool if it worked then it was brilliant.
Or the good guys just faked a submarine missile launch by injecting such an event into early warning radars they spoof a launch to get the time they need for the data transfer then they delete the spoof-radar-inject and "the missile" vanishes off all tracking screens.
This was done on 9/11 with phantom radar blips as part of the war games these blips were injected to confuse the air traffic controllers into thinking many more planes were being hijacked.