Hundreds gather during the Texas challenge Ride 2 Recovery (R2R) rally at 3rd Corps Headquarters, Fort Hood, Texas, April 11, 2013. R2R is a recovery and rehabilitation program that helps injured veterans through spinning and outdoor cycling. The six-day challenge began at Brooke Army Medical Center in San Antonio and ends in Arlington, Texas. (U.S. Army photo by Sgt. 1st Class Carlos M. Burger II, 11th Public Affairs Detachment)