DEFENSE LEADERS Defense Secretary Chuck Hagel testifies before the House Armed Services Committee on the fiscal year 2014 defense budget request in Washington, D.C., April 11, 2013. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and Robert F. Hale, the Defense Department's comptroller, also testified. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 148251-R-PTL19-752.jpg Photo Gallery