U.S. Air Force Staff Sgt. Fanta Williams, 633rd Medical Operations Squadron medic, salutes Col. John J. Allen Jr., 633rd Air Base Wing commander, during a homecoming ceremony at Langley Air Force Base, Va., Oct. 20, 2014. Airmen assigned to the 633rd Medical Group deployed to West Africa in support of Operation United Assistance, where they delivered and built the Air Force’s Expeditionary Medical Support System. (U.S. Air Force photo by Senior Airman Aubrey White/Released)