SAILING LESSON A volunteer from Challenged America teaches U.S. Marine Corps Cpl. Sherman Watson, who received a traumatic brain injury when a roadside bomb exploded in Iraq, how to adjust sails on a 43-foot racing sailboat in San Diego Harbor, Oct. 1, 2008. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 316039-R-MUM05-407.jpg Photo Gallery