Leader Testimony Defense Secretary Ash Carter and Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, testify before the Senate Armed Services Committee in Washington, D.C., Sept. 22, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro SHARE: Download: Full Size (1.03 MB) Credit: Petty Officer 2nd Class Dominique A. Pineiro VIRIN: 160922-D-PB383-005.JPG Photo Gallery