LEADING THE WAY A joint military honor guard representing all branches of the military services begins to march from Arlington National Cemetery to the Pentagon during the 2008 National America Supports You Freedom Walk in Washington, D.C., Sept. 7, 2008. Thousands of people turned out for this year's walk, which is a national tradition that calls on people to reflect on the lives lost on Sept. 11, 2001. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 821823-Y-TUQ02-013.jpg Photo Gallery