Contra: Shattered Soldier

In A.D. 2642, Earth remains scarred from previous alien conflicts as environmental problems grow beyond humanity's control. 80% of the planet's population was completely devastated by a malfunctioning hyper-magnetic weapons grid during development.

Bill Rizer, the hero of the Alien Wars, was held responsible for the incident, as well as for murdering his partner, Lance Bean, who reportedly tried to stop him. He was given a sentence of 10,000 years in cryogenic prison.