U.S. Air Force Master Sgt. Danielle Lyle, 633rd Medical Support Staff command support staff flight chief, competes in the National Police Week Defenders’ Challenge at Joint Base Langley-Eustis, Virginia, May 16, 2018. In 1962, President John F. Kennedy signed Public Law 87-726, designating May 15 as Peace Officers' Memorial Day, and the week in which May 15 falls as National Police Week. (U.S. Air Force photo by Staff Sgt. Areca T. Bell)