Doctor keeps Airmen ready for mission
KANDAHAR AIRFIELD, Afghanistan -- Maj. David Simmons, 451st Air Expeditionary Wing Role 1 flight doctor, uses his stethoscope to check on a patient Jan. 14, 2012. Simmons is deployed from Joint Base Pearl Harbor-Hickam, Hawaii. (U.S. Air Force photo by Staff Sgt. David Carbajal)