VOLUNTEER CARD Defense Secretary Leon E. Panetta affixes his volunteer card to a display during the 9/11 National Day of Service and Remembrance during which he joined volunteer organizations Blue Star Families and Kaboom to help build a playground for military children on Fort George G. Meade, Md., Sept. 10, 2011. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 251932-E-HQY94-566.jpg Photo Gallery