Dunford Remarks Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, delivers remarks during the 150th annual Defense Department National Memorial Day observance hosted by the Defense Secretary James N. Mattis at Arlington National Cemetery, May 28, 2018. DoD Photo by Army Sgt. James K. McCann SHARE: Download: Full Size (1.05 MB) Credit: Sgt. James K. McCann VIRIN: 180528-D-SW162-1285.JPG Photo Gallery