Airman 1st Class Joseph Deboes, 28th Medical Support Squadron medical laboratory technician, extracts blood from Staff Sgt. Carter Norrie, 28th Aircraft Maintenance Squadron weapon loads team chief during a health examination on Ellsworth Air Force Base, S.D., Dec. 27, 2011. Airmen are required to have annual check-ups to keep themselves fit to fight. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)