Senior Airman Gabriel Easler, 28th Security Forces Squadron military working dog handler and his partner, Nnicholas demonstrate a bite and hold technique during a demonstration at Ellsworth Air Force Base, S.D., May 17, 2016. The technique is used to hold an offender and holds an offender until back-up personnel can secure the individual. (U.S. Air Force photo by Airman 1st Class Denise M. Nevins/Released)