U.S. Sen. John McCain of Arizona, right, asks a question of Defense Secretary Chuck Hagel and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, as they testify before the Senate Armed Services Committee in Washington, D.C., Sept. 16, 2014. U.S. Sen. John McCain of Arizona, right, asks a question of Defense Secretary Chuck Hagel and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, as they testify before the Senate Armed Services Committee in Washington, D.C., Sept. 16, 2014. SHARE: Download: Full Size (3.74 MB) Tags: Photo Essays Credit: VIRIN: 316922-T-DBO18-377.jpg Photo Gallery