Cleaning teeth
CHARLESTON AIR FORCE BASE, S.C. -- Staff Sgt. Noreena Svoboda, a dental technician from McChord Air Force Base, Wash., cleans a patient's teeth. Sergeant Svoboda is enrolled in an Air Force-sponsored dental hygiene training scholarship program at Trident Technician College in Charleston, S.C. (U.S. Air Force photo by Airman 1st Class Amy Perry)