Senior Airman Emelina Braden, a military working dog handler assigned to the 28th Security Forces Squadron, and Eelsen, a MWD assigned to the 28th SFS, reports to Maj. Jaime Hernandez, commander of the 28th SFS, at Ellsworth Air Force Base, S.D., Feb. 24, 2017. In order to earn explosive detection certification, Braden and Eelsen were tested on their ability to detect multiple planted explosive aids throughout a building on base. (U.S. Air Force photo by Senior Airman Anania Tekurio)