Absurd. Like seriously. Look at this fleet of Blue Angels fighter jet planes fly in a perfect pattern in a practice session. The flight pattern they were practicing, I'm assuming here, is called "Let's get these flying metal beasts as close as possible so that one inch of a mistake will kill us all". I mean the wing of one plane is right on top of a the cockpit of the other. Nuts, these guys.
This is one is pretty damn crazy too: