2nd Lt. Peter Folliard, U.S. Air Force Band Office-In-Charge, Air Force Strings leads the band in a musical number during the National Parks Service Independence Day Celebration at the Washington Monument July 4. The U.S. Air Force band with special guest Jo Dee Messina performed for thousands of guests in attendance at National Mall including distinguished visitors, ?Wounded Warriors? from Walter Reed Army Medical Center. (U.S. Air Force photo / Staff Sgt. Nichelle Anderson)