SECDEF CJCS SASC Hearing
Secretary of Defense Jim Mattis testifies during a Senate Armed Services Committee hearing on Capitol Hill, Oct. 3, 2017. Mattis testified alongside U.S. Marine Corps Gen. Joseph F. Dunford, Jr., chairman of the Joint Chiefs of Staff, about the political and security situation in Afghanistan. (DoD Photo by U.S. Army Sgt. James K. McCann)