Lt. Col. Zachary Perry, 423rd Medical Squadron, chief of dental services, speaks with a patient during a mass COVID-19 vaccination line at RAF Alconbury, England, Mar. 18, 2021. This is the first time the 501st CSW has conducted a mass-vaccination line and are expected to vaccinate approximately 300 people. Multiple Airmen and civilians from the 423rd Medical, Civil Engineering, Emergency management and Communication squadrons assisted in helping vaccines be distributed to the pathfinder community. (U.S. Air Force photo by Senior Airman Eugene Oliver)