security forces
Security forces Airmen attending the Base Security Operations course drive Humvees through desert terrain as they demonstrate skills to perform mounted and dismounted operations Dec. 17, 2014, at the Silver Flag Alpha Range Complex, Nev. This is the last BSO course that will take place at Silver Flag Alpha, as the 99th Ground Combat Training Squadron is projected to close in early 2015. All Air Force tactical security forces based training will be moved to the new Desert Defender Ground Combat Readiness Training Center at Fort Bliss, Texas. (U.S. Air Force photo/Tech. Sgt. Nadine Barclay)