Spangdahlem Elementary School preschool students run after U.S. Air Force Staff Sgt. Ryan Walton, 52nd Security Forces Squadron training instructor, during a police week demonstration at Spangdahlem Air Base, Germany, May 15, 2019. The 52nd SFS, Air Force Office of Special Investigations and German and Belgian law enforcement officers set up vehicles and equipment to display to the Spangdahlem community for police week. (U.S. Air Force photo by Staff Sgt. Preston Cherry)