AF doctors use virtual reality to treat PTSD
                        
                        
                        Captain Heather Bautista (standing) and Lieutenant Commander William Satterfield, checks the operation of a virtual reality software for returning veterans with combat post traumatic stress disorder at the David Grant USAF Medical Center at Travis Air Force Base, Calif., April 17. Capt. Bautista, U.S. Air Force and LCDR. Satterfield, U.S. Public Health Service are assigned to the center's mental health clinic. (U.S. Air Force photo/Lance Cheung)