LANGLEY AIR FORCE BASE, Va. -- Master Sgt. Kelly Butterfuss, 1st Medical Operations Squadron aerospace medical technician, conducts a mock self-aid buddy care course for children at the Operation Hero event here on Aug. 24. Operation Hero is a program to educate military children about deployments. Team Langley has more than 400 Airmen deployed to locations across the globe. (U.S. Air Force photo/Tech. Sgt. Levi Collins)