USO Show Diana DeGarmo, pop singer, performs for and with soldiers at Camp Victory, Iraq, during a USO show on Dec. 31, 2005. Chairman of the Joint Chiefs of Staff U.S. Marine Corps Gen. Peter Pace and USO celebrities visited troops to thank them for their role in the war against terror. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 549078-Q-ILX34-037.jpg Photo Gallery