Vault 170 - The Wolf Vault
Tom raised his hands up "no idea, all i got out of the robot that it was vault tech protocol." the overseer spun around and raised an eyebrow "vault tech? but that means.... no it can't be."
The Fallout 3
"it was like.... the vault-tech guy!" "the weird mouse person in the coat?" cadwell asked him. "he was nervous. jittery.
Fallout: The Winter Wasteland: Predators
"vault tech made some interesting stuff, but how they made any of it, only one of their techies would know. and they've been gone a _long_time."