Secretary Gates testifies at a hearing of the Senate Armed Services Committee. Secretary of Defense Robert M. Gates testifies 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. Gates was joined at the hearing by Secretary of State Hillary Rodham Clinton, Secretary of Energy Steven Chu and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen in testimony on the new US-Russia nuclear arms treaty. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 508003-S-WRP52-652.jpg Photo Gallery