these troopers are just here to keep a hold, on this planet. even a small one. getting recruits every now an then. they sometimes make bases, get run out, become nomads with truck caravans, set up camps then move. or try making a base again. this planet is full of old alien robots an alien vaults where they hide. they had a nuke war an robots took over after. survivors of this alien race live in vaults underground. they send out troop to fight us sometimes. the robots use planes to tanks drones.