U.S. Air Force Airman 1st Class Steven Brinkley, a loadmaster assigned to the 61st Airlift Squadron, rigs a container delivery system for an airdrop mission on a U.S. Air Force C-130J Super Hercules assigned to the 19th Airlift Wing at Alpena Combat Readiness Training Center, Michigan, May 22, 2021. Mobility Guardian validates Air Mobility Command’s readiness to provide Rapid Global Mobility for the Department of Defense, by preparing forces for the current and future fight. (U.S. Air Force photo by Staff Sgt. Joseph Pick)