The Survivalist can scrap their agents to build Bunkers on planets, which captures Rival agents and lets them keep Captives when Tyrant is scored.
When a Rival destroys a Bunker, they scrap 1 Captive held by the Survivalist.
Building. Bunkers can be harmed like buildings. (They don't fill building slots and can't be raided.)
Tough. Bunkers take 2 hits each to damage and to destroy.
Act: 3
A: Yes!
A: Nope. Bunkers by themselves do not enable raiding.