Air National Guard Airmen from multiple units prepare for an aeromedical evacuation exercise during PATRIOT 21 at Volk Field Combat Readiness Training Center, Wis. June 16, 2021. PATRIOT 21 is a training exercise designed to improve coordination between civilian emergency management and response agencies and military units in preparation for domestic response operations. (U.S. Air National Guard video by Airman 1st Class Michelle Brooks) More