Question: Wouldn't they know something was up when the train explosion wasn't as huge as it should have been (because many of the bombs were missing, and thus making the explosion smaller)?
Question: Since they had satellite photos of the trains colliding, couldn't they simply look for where the other train went? Surely the satellite photos had been stored in order for them to look?
Question: At the end of the movie, George Clooney and Nicole Kidman are trying to remove one of the small explosive plates that surround the plutonium sphere in a nuclear weapon. Couldn't they have just disconnected the wire connected to the explosive plate to prevent that trigger charge detonating properly? Or would it have detonated because it was touching the other plates?