It spans two levels and consists of the main working area, the armory and sleeping quarters for the scribes.
The laboratory is the third sector of the Citadel, connected to both the bailey and the A Ring. Before then, the guard commander Paladin Bael will gruffly deny entry. Entry is scripted as part of the completion of this quest. The inside is inaccessible until the quest The Waters of Life is completed. (After the water purifier is completed and operational, these guards no longer appear.) A small corridor leads from the main gate to a door which provides access to the inner bailey. It retains the shape which gave it its name, the 'Pentagon.' It only has a single entrance: a large metal gate usually guarded by multiple paladins and one sentry bot. The Citadel is a large fortress with walls of stone and steel. Located on the west end of Francis Scott Key Bridge, northeast of Arlington Library, it initially consists of four interior sections. It is built into and beneath the ruins of the Pentagon, the pre-War headquarters of the U.S. The Citadel is the heavily defended headquarters of the Brotherhood of Steel in the Capital Wasteland in 2277. 1 means after the quest 'Death from Above'
