Tops in Blue Vocalist Airman 1st Class Alice Lewis sings "Somewhere Over the Rainbow" during this year's Tops in Blue concert held at the Rushmore Plaza Civic Center in Rapid City, S.D., June 19. Tops in Blue serves as an expeditionary entertainment unit providing quality entertainment to Air Force personnel stationed worldwide at remote and deployed locations, while simultaneously. The group also promotes community relations, supports recruiting efforts and serves as ambassadors for the United States of America and the U.S. Air Force. (U.S. Air Force photo/Airman Corey Hook)