LANGLEY AIR FORCE BASE, Va. -- Sgt.(ret) Toan Zeitler, Newport News K9 unit, allows children to pet Isabel, a blood hound used by the unit to track suspects, after a demonstration showing their capabilities here Aug. 14. Operation Hero shows children some of the ways their parents prepare for deployment by letting them participate in various hands on activities. (U.S. Air Force photo/Senior Airman Scott Aldridge)