ARMED SERVICES HEARING Energy Secretary Steven Chu, Secretary of State Hillary Rodham Clinton, Defense Secretary Robert M. Gates and Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, testify at a Senate Armed Services Committee hearing on the new Strategic Arms Reduction Treaty and its implications for national security programs in Washington, D.C., June 17, 2010. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 902016-O-MEQ75-400.jpg Photo Gallery