U.S. Air Force Senior Airman Kristin Delgado, 633rd Security Forces Squadron unit scheduler, briefs runners before the National Police Week 5K run at Langley Air Force Base, Va., May 13, 2014. Joint Base Langley-Eustis officials will hold more events throughout the week, including a motorcycle ride, K9 demonstration and weapons display to honor law enforcement personnel. (U.S. Air Force photo by Senior Airman Austin Harvill/Released)