|The following is based on developer test content cut from Fallout: New Vegas and has not been confirmed by canon sources.|
A simple room with two doors, a control panel, and a concrete barrier. The two doors both open into nothing. The control panel will spawn a NCR trooper behind the cover of the concrete barrier, and a recruit legionary at the far end. Once spawned they will ignore the player character and attack each other.
The control panel can only be used once to spawn the non-player characters.
Hoover Dam Checkpoint (cut content) appears in the game files of Fallout: New Vegas but should not be considered canon because it is a test cell.