Secretary of Energy Steven Chu, Secretary of State Hillary Rodham Clinton, Secretary Gates and Adm. Mike Mullen testify at a hearing of the Senate Armed Services Committee. Secretary of Energy Steven Chu, Secretary of State Hillary Rodham Clinton, Secretary of Defense Robert M. Gates and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen testify at a hearing of the Senate Armed Services Committee on the new Strategic Arms Reduction Treaty and implications for national security programs at Dirksen Senate Office Building in Washington, D.C., on June 17, 2010. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 474439-P-OKE97-916.jpg Photo Gallery