bot/human constructs:
ComfortUnit - sexbots
SecUnit - “murderbot”, like a security guard
CombatBot - dumb killing machines
CombatUnit - intelligent killing machines
7 - System Collapse
right after Network Effect, still on the alien contaminated colony
they're told by the pacifist factions of the colony that there is a third settlement, near the terraforming engines on the pole (that's why they hadn't been able to see it, engines interfere with scans, they must be inside blackout zone)