Space Cadets

Two hundred years ago, aliens came to earth. They abducted millions of people and then told the rest that they were going to evaluate humanity over the course of the next several hundred years. If the earthlings didn't measure up to their standards, they'd be back to eliminate them.
So guess what humanity has done since then?
They geared up for war.

Jack Peterson is a cadet training in Mars' orbit, trying to graduate from the academy. When his class goes on a field trip to a warship, events un...