Foreign Relations Discussion Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, discusses defense challenges with NBC correspondent Andrea Mitchell at the Council on Foreign Relations in New York City, June 17, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro SHARE: Download: Full Size (1.07 MB) Credit: Dominique A. Pineiro VIRIN: 160618-D-PB383-422A.JPG Photo Gallery