Presidential Metro

The  is a network of metro tunnels which will be added to Fallout 3 in the Broken Steel DLC pack.

It connects the Capital Wasteland with Adams Air Force Base and is watched over by a computer system called Margot. The entrance can be found in the tunnels beneath the destroyed White House. The area is guarded by Sentry Bots and swarming with ghouls.

Appearances
The appears in the Fallout 3 DLC Broken Steel.