A C-5M Super Galaxy carrying Airmen from Dover Air Force Base, Del., Joint Base Charleston, S.C., and Soldiers from Fort Polk, La., participate in an emergency deployment readiness exercise at Volk Field Air National Guard Base, Wis., July 7, 2021. The joint-service training tests the ability to move troops and equipment on short notice in an emergency situation (U.S. Air Force photo by Kevin Clark)