Military working dog (MWD) Ttoby, sits as Senior Airman Steven Goff, 23d Security Forces Squadron MWD handler, holds his harness 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)