UNITED WE SERVE President Barack Obama talks with volunteers who gathered in the gymnasium at Fort Lesley J. McNair on June 25, 2009, to stuff backpacks for military children. The event was one of many in support of the United We Serve troop-support initiative. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 987749-A-JSJ09-726.jpg Photo Gallery