Donavyn, 6, jumps over a hurdle on the obstacle course during Big for a Day, Oct. 19, 2012, at MacDill Air Force Base, Fla. Team MacDill partnered with Big Brothers Big Sisters of Tampa Bay for the annual Big for a Day event where 103 service members volunteered to be “Bigs” for 60 children from the Tampa Bay community. (U.S. Air Force photo by Airman 1st Class Melanie Bulow-Kelly/Released)