Defense Secretary Robert M. Gates presents the Defense Distinguished Service Medal 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. Defense Secretary Robert M. Gates presents the Defense Distinguished Service Medal 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 (3.63 MB) Tags: Photo Essays Credit: VIRIN: 505480-W-QWL87-837.jpg Photo Gallery