> Here's a question for you: Why were certain procedures unique to nuclear attacks enacted on the day of 9/11? For example, why was the door to NORAD's Cheyenne

> Here's a question for you: Why were certain procedures unique to nuclear attacks enacted on the day of 9/11? For example, why was the door to NORAD's Cheyenne Mountain Complex in Colorado sealed if the threat was only hijacked planes? Because the shit hit the fan and everyone hit the panic button Just in Case™?