Player Embed Code: Download Embed Share Health Experts Testify Before House Subcommittee Defense.gov March 7, 2024 | 46:09 The House Armed Services Committee’s Subcommittee on Military Personnel holds a hearing on the Defense Department’s monitoring of COVID-19. Testifying are: Dr. Lester Martinez-Lopez, assistant secretary of defense for health affairs, and Shauna Stahlman, senior epidemiologist in the Armed Forces Health Surveillance’s epidemiology and analysis bureau.