HAND TO HAND First Lady Michelle Obama high fives volunteers helping with a community service project at the Vinson Hall Retirement Community in McLean, Va., Sept. 11, 2010. About 150 volunteers, including active duty troops and veterans, pitched in on renovations projects at the center in honor of the National Day of Service and Remembrance. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 848097-G-DYA84-603.jpg Photo Gallery