Head paladin's keycard

The head paladin's keycard is a quest item in Fallout: New Vegas.

Location
It can be acquired by pickpocketing it from the head paladin in the Hidden Valley Bunker, who may be either Hardin or Ramos, depending on choices made during the Still in the Dark quest. It can also be looted from their corpse.

Uses
The head paladin's keycard is one of the three keycards required to start the self-destruct sequence during For the Republic, Part 2, Render Unto Caesar, The House Always Wins, and Wild Card: Side Bets.