Master Sgt. Robert Simon, medical logistics, Chemical,

Master Sgt. Robert Simon, medical logistics, Chemical, Biological, Radiological, Nuclear and High Yield Explosive (CBRNE) Enhanced Response Force Package (CERFP), receives his first dose of the COVID-19 vaccine, Jan. 5, 2020, at 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 Airman Alexander Schriner)