Chairman of the Joint Chiefs of Staff Marine Gen. Peter Pace speaks with a student at National Defense University in Washington, D.C., Aug. 9, 2006. Pace was at the university to address and congratulate the 215 students selected for the class of 2007. DoD photo by Staff Sgt. D. Myles Cullen, U.S. Air Force. (Released) - Chairman of the Joint Chiefs of Staff Marine Gen. Peter Pace speaks with a student at National Defense University in Washington, D.C., Aug. 9, 2006. Pace was at the university to address and congratulate the 215 students selected for the class of 2007. DoD photo by Staff Sgt. D. Myles Cullen, U.S. Air Force. (Released)