Airman 1st Class Kimber Bernau, 59th Medical Wing Family Emergency Clinic medical technician, administers the Pfizer COVID-19 vaccine shot to Tech Sgt. Jason Bailey, Dec. 14, 2020, at Wilford Hall Ambulatory Surgical Center, Joint Base San Antonio-Lackland, Texas. The Department of Defense is implementing a standardized and coordinated strategy for prioritizing, distributing, and administering the COVID-19 vaccine through a phased approach to all Active Duty, Reserve, National Guard, and all mission-essential DoD civilian employees and other personnel. (U.S. Air Force photo by Airman 1st Class Melody Bordeaux)