Army National Guard Spc. Marco Robledo is hooked into the harness of the Solo-Step system, which allows him to practice walking independently without danger of falling. The track is a one-of-a-kind system only at the new Military Advanced Training Center at Walter Reed Army Medical Center. The $10 million, 31-000-square-foot facility opened Sept. 23, 2007. Photo by Fred W. Baker III Army National Guard Spc. Marco Robledo is hooked into the harness of the Solo-Step system, which allows him to practice walking independently without danger of falling. The track is a one-of-a-kind system only at the new Military Advanced Training Center at Walter Reed Army Medical Center. The $10 million, 31-000-square-foot facility opened Sept. 23, 2007. Photo by Fred W. Baker III SHARE: Download: Full Size (0.86 MB) Credit: VIRIN: 743725-H-JJI82-253.jpg Photo Gallery