LANGLEY AIR FORCE BASE, Va. - Staff Sgt. Christopher Kinter, 71st Fighter Squadron crew chief, shows an F-15 to Michael, Carlos and Tomas Greene during National Aeronautics and Space Administration "Bring Your children to Work Day" Aug. 20. NASA hosted the event to allow children of employees to observe their parents at work, as well as view an F-15 Eagle. (U.S. Air Force photo/Senior Airman Gul Crockett)