CHAIRMAN'S VISIT Chairman of the Joint Chiefs of Staff U.S. Marine Gen. Peter Pace (center), Marine Col. Katie Haddock, special assistant for the chairman (right), and Special Agent David Wheeler depart the National Defense University in Washington, D.C., Aug. 9, 2006. Pace was at the NDU convocation to speak to and congratulate the 215 students selected to be the Class of 2007. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 462623-P-TTL28-368.jpg Photo Gallery