MEMORIAL GREETING Defense Secretary Chuck Hagel, center, and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, greet Washington Mayor Vincent Gray before laying a wreath at the Navy Memorial in Washington, D.C., Sept. 17, 2013. The defense leaders held the ceremony to remember the 12 victims of the Sept. 16 shooting at the Washington Navy Yard. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 415042-Y-FLI11-721.jpg Photo Gallery