The meteor crash set it all in motion ahead of any schedule, if there even was one.

Rob: And the fleet?

The colonel looks up at him and shakes his head, then drops his head to think. He looks up again, as if forgetting the question about the fleet, as if it had already been answered and he had already moved onto the next mission objective.

Colonel: You know we can’t stay here right?

Rob: I know we can’t, but what about everyone else?

Colonel: I mean them too. It’s all about Connolly now. We need to be on those trains as soon as possible. If there is any chance that we can get everyone out of here we need to take it. If that requires force then it requires force.