Tops in Blue cast member Staff Sgt. Keith Loudermill performs Hero for Today during the Air Force's signature entertainment group's show in Enid, Okla. Monday. This year's show, called "Flyby," takes the audience on a musical journey of the Air Force from 1947 to the present as it celebrates its 60th anniversary. When not touring, Sergeant Loudermill is a personnel craftsmen with Headquarters Air Force Personnel Center, Randolph AFB, Texas. (U.S. Air Force photo by Frank McIntyre)