CHAIRMAN'S COMMENTS Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, testifies 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. Joining Mullen are Defense Secretary Robert M. Gates, Secretary of State Hillary Rodham Clinton and Energy Secretary Steven Chu. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 025999-P-CNG38-872.jpg Photo Gallery