Chief Master Sgt. Takesha Williams, 507th Air Refueling Wing budget analyst, 931st ARW command chief and Reserve course marshal for the Oklahoma City Memorial Marathon, kneels in an orange vest for a photograph with other course marshal volunteers April 26, 2015, in Oklahoma City, Oklahoma. For more than a decade, Williams has been responsible for gathering Reserve volunteers to help manage the course during the marathon. (U.S. Air Force courtesy photo)