DEFENSE TESTIMONY Defense Secretary Ash Carter looks on as Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, answers questions as they testify before the Senate Appropriations Committee's defense subcommittee in Washington, D.C., May 6, 2015. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 984172-M-QAU56-456.jpg Photo Gallery