Mill Valley Guard House - Description and Picture
Building 400, Gatehouse. This is a small wood frame structure. This gate house is no longer used and is vacant. This is a small guardhouse big enough for one airman on duty to check identification of visiting vehicles.
![Mill Valley Early Warning Radar Station EXTERIOR VIEW OF METAL GUARD BUILDING AT THE RADAR DOMES, BUILDING 400, LOOKING WEST-SOUTHWEST.](/radar/early_warning/mill_valley/images/182449pr.jpg)
EXTERIOR VIEW OF METAL GUARD BUILDING AT THE RADAR DOMES, BUILDING 400, LOOKING WEST-SOUTHWEST.