Vice President Becker: I don't accept that abandoning half of the country is necessary!
Tom Gomez: Maybe if you'd listened to him sooner, it wouldn't be.
Vice President Becker: Bullshit! It's easy for him to suggest this plan. He's safely here in Washington.
Tom Gomez: His son is in Manhattan. I just thought you should know that before you start questioning his motives.
When Jack is briefing the President, he draws a line on a map of the U.S. and tells the President to have everybody south of that line evacuated. The shape of the line changes between shots.
Before the film was released, N.A.S.A. sent a memo out to all of its employees stating that they were not allowed to comment on the likelihood of the events portrayed in this movie.