The Bunker En visio

The date is August 1, 2009, and you are the first to arrive at your new military post inside the Ochs-Bragg Missile Complex (OB-16.12). Shortly after your arrival, a sudden event inexplicably triggers a total lockdown of all doors and controls and immediately initiates what appears to be an automated missile launch countdown. Has the computer detected a real nuclear threat, or is the launch system malfunctioning?