Security card

The security card is a quest item in Fallout.

Gameplay
This card is used to access the vats control computer at the Mariposa Military Base.

Use
The Vault Dweller can use this card to get access to vats control computer if they do not have a good enough Science skill.

Location
In the inventory of two of the five Children of the Cathedral technicians at the vats control room on the fourth level.