Player Embed Code: Download Embed Share Carter, Dunford Honor Obama at Farwell Ceremony Defense.gov Jan. 4, 2017 | 01:10:25 Defense Secretary Ash Carter and Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, host an armed forces full honors review farewell ceremony in honor of President Barack Obama at Joint Base Myer-Henderson Hall, Va., Jan. 4, 2017.