NATIONAL DEFENSE NIGHT Defense Secretary Robert M. Gates speaks during the Daughters of the American Revolution National Defense Night at Constitution Hall in Washington, D.C., July 11, 2008. More than 3,000 members of the Daughters of the American Revolution filled the organization's National Headquarters in Washington, D.C. for their annual convention, July 9 - 13, 2008. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 527245-Q-UOX15-538.jpg Photo Gallery