BETHESDA, Md. (Dec. 21, 2020) Master Chief Petty Officer of the Navy (MCPON) Russell Smith, left, speaks with Command Master Chief Randy Swanson, command master chief of Walter Reed National Military Medical Center, and Navy Surgeon General Rear Adm. Bruce L. Gillingham before receiving the COVID-19 vaccine. 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)