HONOR GUARD The Joint Service Honor Guard presents the colors during the commencement ceremonies for the National Defense University class of 2009, Fort Leslie J. McNair, Washington, D.C., June 11, 2009. U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, gave the keynote address to the class of 582 senior military officers. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 302149-J-RYV68-861.jpg Photo Gallery