U.S. Air Force Senior Airman Michael Viola, 633rd Security Forces Squadron base defense operation center controller, helps a girl try on a helmet during a school fair at Bethel Manor Elementary School in Yorktown, Va., May 20, 2017. School fair attendees were given the opportunity to try on different pieces of equipment, handle training weapons and ask questions to get a better understanding of how the 633rd SFS protects base and community members. (U.S. Air Force photo/Airman 1st Class Anthony Nin Leclerec)