BETHESDA, Md. (Dec. 21, 2020) Hospital Corpsman 1st Class Austin Harris receives the COVID-19 vaccine as part of Operation Warp Speed at Walter Reed National Military Medical Center. Operation Warp Speed is a national initiative to accelerate the development, production and distribution of COVID-19 vaccines, therapeutics and diagnostics. (U.S. Navy photo by Mass Communication Specialist 1st Class Sarah Villegas)