OKINAWA, Japan (Feb. 19, 2021) Master Chief Petty Officer Christopher W. Moore, III Marine Expeditionary Force command master chief, receives his second dose of the COVID-19 vaccine at the U.S. Naval Hospital Okinawa, Camp Foster, Okinawa, Japan, Feb. 19, 2021. The vaccine is crucial in the fight against COVID-19 and is essential in mitigating further spread of the ongoing virus. III MEF leadership received their vaccines as part of DoD's phased approach to remain a lethal and ready expeditionary fighting force. (U.S. Marine Corps photo by Cpl. Nickolas Beamish)