Navy Adm. James A. Winnefeld Jr., pins the Purple Heart medal on Army Sgt. Paul Roberts during a ceremony at the Warrior and Family Support Center on Fort Sam Houston in San Antonio, Oct. 12, 2012. U.S. Army photo by Robert Shields Navy Adm. James A. Winnefeld Jr., pins the Purple Heart medal on Army Sgt. Paul Roberts during a ceremony at the Warrior and Family Support Center on Fort Sam Houston in San Antonio, Oct. 12, 2012. U.S. Army photo by Robert Shields SHARE: Download: Full Size (2.54 MB) Credit: VIRIN: 033763-R-OIQ32-180.jpg Photo Gallery