The tape can be found at Site Alpha, on a shelf inside the entrance shack.
The Overseer: Overseer's Log. Missile Silo Alpha.
No one's here. Not even any military survivors. That might be for the best. I don't think Vault-Tec asserting jurisdiction over the nukes would've gone over well. But, that also means I'm locked out. Access is restricted to the highest ranking officers. It's not going to be easy to fool.
If we can't secure these sites... My god... the automated factory in the silo... Just how many nukes can it make?