Training to defend
Airman 1st Class Wintera Jones, 28th Force Support Squadron personnel technician, practices high crawling during a 28th Mission Support Group deployment readiness exercise in the Pride Hangar at Ellsworth Air Force Base, S.D., Feb. 14, 2013. The 28th Security Forces Squadron hosted the exercise which focused on cover and concealment, M-4 carbine and M-9 handgun familiarization and what to do in the event of an active shooter scenario. (U.S. Air Force photo illustration by Airman Ashley J. Thum/Released)