[Sunroof]

I would think that if a rapid depressurization of the cabin without the oxygen masks were to occur at high altitude it would be over rather quickly. Do these modern cockpits actually have the mechanism to decompress a cabin and stop oxygen masks from coming down?

If the aircraft were taken to a remote airfield for the purposes of it being used again (Nuke delivery according to one theorist), they would get rid of the passengers and other crew anyways.