A crowd observes 316th Security Forces K-9 handlers during a demonstration for the Vietnam “Welcome Home” Ceremony at the National Mall in Washington, D.C., May 13, 2023. This demonstration highlighted the significant role military working dogs played in the Vietnam War. American forces used dogs for many things, from base security to detecting ambushes to hunting down fleeing enemy units. (U.S. Air Force photo by Senior Airman Daekwon Stith)