Obama Farewell Defense Secretary Ash Carter, right, and Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, host a farewell ceremony to honor President Barack Obama as Vice President Joe Biden looks on during the armed forces full-honor review at Joint Base Myer-Henderson Hall, Va., Jan. 4, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (2.88 MB) Credit: Army Sgt. Amber Smith VIRIN: 170104-D-SV709-0835C.JPG Photo Gallery