U.S. Air Force Senior Airman Corie Flores apprehends Airman 1st Class Lee Bradberry, both from the 633rd Security Forces Squadron special weapons and tactics team, during a training session at Langley Air Force Base, Va., Feb. 10, 2012. The sustainment-concept training teaches installation protection and defense to security force personnel. (U.S. Air Force photo by Airman 1st Class Kayla Newman/Released)