Senior Airman Steven Goff, 23d Security Forces Squadron military working dog (MWD) handler, performs a walk over with MWD Ttoby, during a training demonstration, Aug. 28, 2019, at Moody Air Force Base, Ga. Goff recently became a part of the K-9 unit and is currently in the process of completing his validation training. (U.S. Air Force photo by Airman Azaria E. Foster)