NELLIS AIR FORCE BASE, Nev.- --  

Security Forces personnel are the Air Force's first line of defense, and it is their job to maintain the rule of law on all Air Force bases and installations.

The exercise was designed to prepare and test the response efforts of SFS Airmen in the event of a dangerous situation.

The 99th SFS designs realistic exercises to keep Airmen in a warrior mindset and sharpen tactics, techniques and procedures to prevent unnecessary loss of life and injuries in the event of a real-world incident.