U.S. Air Force Senior Airman Brandon O’Toole, 633rd Security Forces Squadron military working dog handler, searches for explosive training aids with Oopey, a 633rd Security Forces MWD, during training at Joint Base Langley-Eustis, Va., Nov. 29, 2016. Before the dogs are sent to their duty station, they receive 90 days of training, such as obedience, detection and patrol, at Lackland Air Force Base, Texas. (U.S. Air Force photo by Airman 1st Class Tristan Biese)