Kelvin Branch, certified ophthalmic assistant; Col. Joseph A. Giovannini, M.D.; and Kara Fernald, certified ophthalmic assistant with the 779th Medical Group, prepare the laser surgery room for the next patient at Joint Base Andrews, Md. The Warfighter Eye Center performs approximately 20 surgeries a week for patients stationed all over their world. (U.S. Air Force photo by Staff Sgt. Perry Aston