WARNING: Restricted Area Authorized personnel only. It is unlawful to enter this area without prior permission of the installation commander. You are advised that all personnel and property are subject to search and seizure whilst on this installation. PHOTOGRAPHY IS PROHIBITED. It is unlawful to effect any photograph, film, map drawing or any other graphic depiction of this area or equipment within or flying above this installation. TOP SECRET RESEARCH FACILITY: USE OF DEADLY FORCE IS AUTHORIZED