Sgt. Christian Prado, 730th Transportation Company, Los Angeles, California, responds to one of his Soldiers following a simulated chemical attack at Fort McCoy, Wis., July 18, 2021. Roughly 2,000 Soldiers participated in Warrior Exercise in July. WAREX is a training exercise designed to prepare units for conflict and give them the opportunity to train together with other Army Reserve Soldiers. (U.S. Army Reserve photo by Sgt. William A. Parsons)