PEARL HARBOR (Jan. 8, 2020) A hospital corpsman in the Preventive Medicine Department at Naval Health Clinic Hawaii (NHCH), prepares to administer the Pfizer BionNTech COVID-19 vaccine to Chief Petty Officer Pedro Quirartemedrano, Jan. 8, 2020, at Bloch Arena at Joint Base Pearl Harbor-Hickam. NHCH is following the Department of Defense's (DoD) phased, standardized, and coordinated approach to administering COVID-19 vaccines. The strategy was developed in collaboration with Operation Warp Speed, the Centers for Disease Control and Prevention (CDC), and the DOD’s COVID Task Force assessment of unique mission requirements. (U.S. Navy photo by Macy Hinds)