Def-Con 4

Like the MAD MAX films, DEF-CON 4 takes a dark approach to a nuclear devastated society, as man is reduced to primitive survival instincts. Tim Choate, Kate Lynch, and John Walsch are three astronauts orbiting above Earth in a secret spaceship. Their television monitor suddenly goes blank, and the astronauts see great flashes of light emanating from Earth. Through signals picked up on the monitor, the astronauts witness human life quickly and anonymously being snuffed out. A few weeks later the ship automatically begins a descent. Unsure of what horrors he will find, Choate programs the last remaining warhead on board to explode some 60 hours after the party lands....