Ceremony Conversation Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, speaks with Navy Secretary Ray Mabus after a naming ceremony for the USS Harvey C. Barnum Jr. at Marine Barracks Washington, D.C., July 28, 2016. DoD photo by Army Sgt. James K. McCann SHARE IMAGE: Download Image: Full Size (0.86 MB) Tags: Chairman, Joint Chiefs, Joe Dunford, Navy , MARINE CORPS, MARINES Photo By: Sgt. James K. McCann VIRIN: 160728-D-SW162-294.JPG Photo Gallery