Senior Airman Alistair Dela Cruz, 316th Security Support Squadron military working dog handler, pets MWD Fill prior to the Multi-Agency K-9 Explosive Training Event at Thomas A. Edison High School in Alexandria, Va., Apr. 6, 2022. Handlers attend this training quarterly and the 316th SSPTS tries to send MWD teams who have never attended in the past. (U.S. Air Force photo by Senior Airman Spencer Slocum)