Adm. Mike Mullen, Secretary Gates and Under Secretary Hale testify at a hearing. Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, Secretary of Defense Robert M. Gates and Under Secretary of Defense for Comptroller Robert Hale testify at a hearing of the House Appropriations Committee on the fiscal 2012 budget at the Rayburn House Office Building in Washington, D.C., on March 3, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 479265-D-MVK41-913.jpg Photo Gallery