170313-D-UJ980-029 SAN DIEGO (March 13, 2017) Naval Health Research Center (NHRC) personnel discuss the command’s research capabilities with Rear Adm. Ann Burkhardt, director, 21st Century Sailor Office, during a tour of the Warfighter Performance Laboratory. NHRC scientists conduct research to improve the physical and mental readiness of U.S. service members. Since 1980, NHRC has been studying physical readiness testing and are evaluating body composition data for U.S. Navy personnel. (U.S. Navy photo by Regena Kowitz/Released)