Senior Airman Christian Cheeks, 82nd Security Forces Squadron military working dog handler, and his K-9, Eespn, participate in a detection drill at Sheppard Air Force Base, Texas, Feb. 27, 2019. Cheeks and Eespn have to display that they can work as a team to detect hidden drugs in the building. (U.S. Air Force photo by Airman 1st Class Madeleine E. Remillard)