Danger Room The training area for the X-Men involving anything from trap doors, presses, collapsing walls, traps, projectile firing devices, and mechanical dangers to holographic scenarios all of which are observed and kept track of by someone in the observation room where the control panel is stationed.
Holding Rooms Although it is rare, there are some occasions where hostile mutants dangerous to themselves and to others need to be confined or restricted. In other cases which are also rare, interrogations are needed. These rooms are where such things are taken care of in.