Defense Secretary Leon E. Panetta and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, testify on the Defense Department’s response to the attack on U.S. facilities in Benghazi, Libya, during a hearing before the Senate Armed Services Committee in Washington, D.C., Feb. 7, 2013. Defense Secretary Leon E. Panetta and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, testify on the Defense Department’s response to the attack on U.S. facilities in Benghazi, Libya, during a hearing before the Senate Armed Services Committee in Washington, D.C., Feb. 7, 2013. SHARE: Download: Full Size (4.97 MB) Tags: Photo Essays Credit: VIRIN: 851803-S-KXK12-671.jpg Photo Gallery