Carter, Dempsey Testify Before House Armed Services Committee Defense Secretary Ash Carter, center, and Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, appear before the House Armed Services Committee in Washington, D.C., to testify on U.S. policy and strategy in the Middle East, July 17, 2015. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 748711-L-MYA15-169.jpg Photo Gallery