Senior Airman Chris Johns, 403rd Maintenance Squadron sheet metal technician, received his flu shot vaccine from Lt. Col. Randy McKee, 403rd Aeromedical Staging Squadron nurse, Feb. 6, 2021. The 403rd ASTS is responsible for ensuring that the Reserve Citizen Airmen of the 403rd Wing are current or 'green' on their Individual Medical Readiness status; which includes providing immunizations, optometry services, dental x-rays and exams, lab draws, audiograms, and physicals. (U.S. Air Force photo by Master Sgt. Jessica Kendziorek/ photo permission granted by Senior Airman Chris Johns)