Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, pins the Purple Heart on Spc. Jason Smith during a ceremony at the Warrior and Family Support Center on Fort Sam Houston in San Antonio, Oct. 12, 2012. Smith was injured July 25, 2012, while supporting Operation Enduring Freedom. Winnefeld also presented the Purple Heart to Sgt. Paul Roberts, who was injured Nov. 24, 2011, while supporting OEF. After the ceremony, the vice chairman visited with wounded warriors in the San Antonio Military Medical Center and Center for the Intrepid, a state-of-the-art rehabilitation center.