Katie, a character playing the role of a military child, greets children during the Sesame Street/USO Experience for Military Families show at the theater on Scott Air Force Base, Ill., on April 7, 2012. During the show Elmo and friends help Katie feel better about an upcoming military move and offer ways to keep in touch with old friends as well as make new friends. (U.S. Air Force photo/Staff Sgt. Brian J. Valencia)