David Levinson: I've had years to get us ready. We never had a chance.
President Whitmore: We didn't last time, either.
David Levinson: That's...definitely bigger than the last one.
David Levinson: They like to get the landmarks.
Kid on Bus: My dad said your son never went to space and it's just a conspiracy.
Julius Levinson: Oh yeah? Your father's a putz.
David Levinson: What goes up must come down.
Chosen answer: It's technology that works, so why not use it? People still drive 20 year olds cars now, some because they like them, some because they can't afford a replacement. It wouldn't be surprising for the new technology to be very expensive or patented by the military and therefore not available for everyone.