Tops in Blue set to kick off 'Rhythm Nation' tour
Second Lt. Robert Doyle sings the lead for a patriotic song during the group's dress rehearsal May 20, 2011, at Lackland Air Force Base, Texas. The 2011 Tops in Blue team is set to kick off their 'Rhythm Nation' tour with a performance May 25, 2011, at Barksdale Air Force Base, La. The show provides a glimpse of a century of popular music and how it grew through new rhythms and technology. Lieutenant Doyle is a 2011 Tops in Blue vocalist and the officer in charge. He is an acquisitions program manager from Vandenberg Air Force Base, Calif. (U.S. Air Force photo/Erin Tindell)