Vault 51

Vault 51 is a Vault-Tec vault located in the Forest region of Appalachia in 2102.

Background
As with the other vaults, Vault 51 was sealed shut during the Great War in 2077. Twenty-five years later in 2102, the vault remains sealed.

Vault 51 was run by a ZAX unit, with the experiment testing tribalism and the ZAX unit turning the vault dwellers against each other.

Appearances
Vault 51 appears only in Fallout 76.