Budget Hearing Defense Secretary James N. Mattis and Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, provide testimony on the Fiscal Year 2018 Defense Budget Request to members of the Senate Armed Services Committee in Washington D.C., June 13, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (1.27 MB) Credit: Amber I. Smith VIRIN: 170613-D-SV709-0083H.JPG Photo Gallery