U.S. Air Force Airman 1st Class Joshua Grant, 9th Airlift Squadron loadmaster, secures cargo to the ramp of a C-5M Super Galaxy at Dover Air Force Base, Delaware, May 16, 2021. The aircraft departed in support of Exercise Mobility Guardian 2021, Air Mobility Command’s largest and longest training event. Airmen are tested through a challenging, realistic and detailed scenario based on real-world challenges. More than 1,800 participants will operate 18 mobility aircraft at six locations in Michigan and Wisconsin during the exercise. (U.S. Air Force photo by Airman 1st Class Cydney Lee)