Lt. Col. Stephen Sample, an emergency medicine physician from the Kentucky Air National Guard’s 123rd Medical Group Detachment 1, is filmed tending to simulated patients at the Kentucky Air National Guard Base in Louisville, Ky., on April 16, 2021. The footage is being used for a national ad campaign funded by the National Guard Bureau to advertise the Air National Guard. (U.S. Air National Guard photo by Tech. Sgt. Joshua Horton)