Clooney went during the ER pause to film The peacemaker and you actually don't know the difference between the ER doctor and this one. He is probably the same also in the real life.
There are 2 other reasons i can think of why men are Not jumping off the other train,0ne as depicted earlier in the movie the soldiers were sleeping (which at first i thought was prepostureous considering they are carrying nuclear weapons not just on a furlough,someone has too keep watch and also not everybody would be sleeping and two being soldiers their commander might have ordered to stay on board,like going down with ship!
