SENATE TESTIMONY Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and Defense Secretary Chuck Hagel testify on U.S. policy regarding the threat from the Islamic State of Iraq and the Levant, known as ISIL, before the Senate Armed Services Committee in Washington, D.C., Sept. 16, 2014. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 818014-Y-WOB96-961.jpg Photo Gallery