Senior Airman Emelina Braden, a military working dog handler assigned to the 28th Security Forces Squadron, rewards Eelsen, a MWD assigned to the 28th SFS, during an explosive detection certification test at Ellsworth Air Force Base, S.D., Feb. 24, 2017. Each time a MWD is assigned a new handler, both handler and dog are tested and certified in their respective specialty be it explosive detection or drug detection. (U.S. Air Force photo by Senior Airman Anania Tekurio)