From left, U.S. Air Force Staff Sgt. ChaLita Tillman, 633rd Medical Operations Squadron medical technician, and U.S. Air Force Maj. Jason Boyd, 633rd Medical Operations Squadron chief of dermatology, perform a surgery at Langley Air Force Base, Va., Feb. 4, 2014. Meeting the growing medical needs for military members, the Dermatology clinic specializes in treating conditions involving hair, skin, and nails. Tillman hails from Washington, D.C. and Boyd is a native to Tacoma, Texas. (U.S. Air Force photo by Senior Airman Brittany Paerschke-O’Brien/Released)