160427-N-UJ980-001 SAN DIEGO (April 27, 2016) The Naval Health Research Center (NHRC) conducts research in support of operational readiness and warfighter health using the Computer Assisted Rehabilitation Environment (CAREN), an immersive virtual reality system. The CAREN is made up of a 9-foot diameter platform with integrated treadmill and 180-degree wide, 9-foot tall curved projection screen. The CAREN is used for studies related to survivability, equipment loads, rehabilitation, and fatigue. (U.S. Navy photo by Regena Kowitz/Released)