SIDE BOY SALUTES Defense Secretary Chuck Hagel receives salutes from side boys as he departs the U.S. Transportation Command's change-of-command ceremony on Scott Air Force Base, Ill., May 5, 2014. During the ceremony, Hagel welcomed Air Force Gen. Paul J. Selva as the incoming commander and presided over the retirement of Air Force Gen. William M. Fraser III after 40 years of service. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 390120-U-HQB35-775.jpg Photo Gallery