ELLSWORTH AIR FORCE BASE, S.D. -- Children of Ellsworth's Airmen line up and do push-ups for a physical training demonstration during Kids, Spouses and Teachers Understanding Deployment Operations event, March 13. Senior Airman Zachary Christy, 28th Force Support Squadron food services specialist, teaches the children how to work together and do a proper push-up. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)