FORT HOOD - Specialist Jeff Friberg of Haltom City is nervous.
He's getting attacked in a small, wooden Humvee, surrounded by threats projected on screens all around him.
Meanwhile, he's attacking his own fears and memories from Iraq.
"I had a rocket land ten feet in front of me," Friberg said. "It blew me off my feet and into a wall."
Friberg is one of many soldiers being treated at the Fort Hood Traumatic Brain Injury Clinic.
News 8's Jim Douglas took a trip to the clinic to see the recovery and testing process.