A special tactics operator establishes a resupply drop zone during Air Mobility Command’s premier large-scale exercise, Mobility Guardian 21, at Volk Field, Wis., May 21, 2021. Special tactics teams worked with Total Force Airmen to train on a variety of agile combat employment scenarios based on relevant real-world security challenges and future conflicts. (U.S. Air Force photo by Tech. Sgt. Sandra Welch)