Capt. Sarah Freidel, 34th Bomb Squadron flight surgeon, listens to the heart of Staff Sgt. Jacob Appleby, 28th Medical Operations Squadron ambulance services technician, during a physical exam in the flight medicine clinic on Ellsworth Air Force Base, S.D., May 2, 2012.
Airman 1st Class Kate Maurer
Taken on 2 May 2012
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