Staff Sgt. Shandralekha Carlos, 11th Wing Commander's Action Group NCO in charge, and Staff Sgt. Kevin Maeder, 11th Security Support Squadron security forces instructor, demonstrate how to break a wrist grab during a Rape Aggression Defense class at Joint Base Andrews, Md., Aug. 20, 2016. The R.A.D. class is a self-defense program teaching basic self-defense tactics and avoidance techniques for risk factors. (U.S. Air Force photo by Airman 1st Class Rustie Kramer)