U.S. Air Force Airman 1st Class Brittany Black, 379th Expeditionary Medical Group combat medical technician, draws lidocaine with epinephrine, which allows the technician to numb a patient’s skin during a training exercise Nov. 14, 2012. Combat medics constantly train to ensure their skills are sharp to meet the ever-changing role they serve in the deployed environment. Black is deployed from Joint Base Langley-Eustis, Va., and is a native of Charleston, S.C. (U.S. Air Force photo/Senior Airman Joel Mease/Released)