Airman 1st Class Raymond De Jesus, 59th Medical Wing medical logistics technician, transports the San Antonio Military Health System’s first Pfizer COVID-19 vaccine shipment to the freezer room, Dec. 14, 2020, at Wilford Hall Ambulatory Surgical Center, Joint Base San Antonio-Lackland, Texas. The U.S. Food and Drug Administration authorize the use of a vaccine after careful and rigorous testing and trials for safety and effectiveness. (U.S. Air Force photo by Airman 1st Class Melody Bordeaux)