Secretary Testifies on U.S. Policy, Strategy in Middle East Defense Secretary Ash Carter testifies on U.S. policy and strategy in the Middle East before the House Armed Services Committee in Washington, D.C., July 17, 2015. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, joined Carter and gave testimony during the hearing. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 659205-Z-KMS39-604.jpg Photo Gallery