Tech. Sgt. Jonathon Zgainer, (left), aerospace medical

Tech. Sgt. Jonathon Zgainer, (left), aerospace medical technician, 155th Medical Group, places a bandage on the arm of Air Force Capt. Doug Carlson, (right), after he received a COVID-19 vaccine dose, Jan. 21, 2021, at the medical detachment on the Nebraska National Guard air base in Lincoln. The Department of Defense COVID-19 vaccine roll-out plan is a standardized and coordinated strategy for prioritizing, distributing and administering COVID-19 vaccines to protect service members, maintain readiness and support the national COVID-19 response. (Nebraska National Guard photo by Sgt. Lisa Crawford)