U.S. Air Force Tech. Sgt. Johnnie Payton, a 374th Security Forces Squadron Airman, radios information back to the base defense operations center March 14, 2012, during an emergency management exercise


Sailors assigned to the visit, board, search, and seizure team of the guided-missile destroyer USS Halsey (DDG 97) demonstrate how to conduct security while carrying a casualty


A U.S. Army Designated Marksman pulls security with his M14 EBR during a patrol.


Military working dog handler and his dog, Uran, assigned to the 376th Expeditionary Security Forces Squadron


Airman First Class Matthew May, 51st Security Forces Osan Air Base, Republic of Korea, mans an M-60 machine gun at a defensive firing position during the early morning hours of Osan’s IRRE/CERE (Initial Response Readiness Exercise/ Combat Employment Readiness Exercise) exercise.  (USAF photo by Staff Sgt. Justin D. Pyle)  (RELEASED)