A C-5M Super Galaxy is loaded with cargo at Dover Air Force Base, Delaware, prior to departure for Exercise Mobility Guardian 2021, May 16, 2021. Exercise Mobility Guardian is the Air Mobility Command’s largest and longest training event. The exercise, led by Air Mobility Command, aims to accelerate change by developing the force and advancing warfighting capabilities to enhance our ability to project the joint force and ensure strategic deterrence. (U.S. Air Force photo by Airman 1st Class Cydney Lee)