Staff Sgt. Gary Horn administers a pulmonary function test to Mary Surface at the Charleston AFB medical clinic May 15. During the first quarter of 2009, he assisted in providing in-house care to 13,085 patients. Sergeant Horn is a medical technician with the 437th Medical Group. Mrs. Surface is the spouse of a retired military member. (U.S. Air Force photo/Senior Airman Katie Gieratz)