More alarms rang in the command center.
The entire base descended into chaos.
There were many different types of alerts signifying different threat levels. The lowest and most common was Level E. Level D was the next highest level, and it happened once every few months.
Level C, the next level, was already considered a high-level threat.
Level B was the second-highest threat level. It was extremely serious. The Department of Defense would be notified, and the army would be deployed.
Finally, Level A was the highest threat level. That would mean a national-level threat. The President would be notified.
Of course, there were rumors that higher threat levels than Level A existed. However, no one was able to verify those rumors.
The alert that was raised in the base was Level B. That was considered a very serious threat.
"Go go go!"
