Secretary Panetta applauds as service members of the year are introduced at the 2012 USO Gala Secretary of Defense Leon E. Panetta, left, applauds as service members of the year are introduced at the 2012 USO Gala in Washington, D.C., on Nov. 2, 2012. Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey, right, joined Panetta on stage for the introductions. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 907513-F-CWF82-837.jpg Photo Gallery