An Air Force Honor Guard member holds the Defense Distinguished Service Medal, which Defense Secretary Robert M. Gates presented to the 19th Air Force Chief of Staff Gen. Norton Schwartz during a welcoming ceremony on Bolling Air Force Base, Washington, D.C., Aug. 12, 2008. An Air Force Honor Guard member holds the Defense Distinguished Service Medal, which Defense Secretary Robert M. Gates presented to the 19th Air Force Chief of Staff Gen. Norton Schwartz during a welcoming ceremony on Bolling Air Force Base, Washington, D.C., Aug. 12, 2008. SHARE: Download: Full Size (5.02 MB) Tags: Photo Essays Credit: VIRIN: 168989-G-VVF57-213.jpg Photo Gallery