Staff Sgt. Alex Delamarter, 9th Airlift Squadron flight engineer student, climbs down the crew stairs of a Dover Air Force Base C-5M Super Galaxy during a Major Command Service Tail Trainer at Holloman AFB, New Mexico, June 7, 2021. The 9th AS performs MSTTs to expedite upgrade and qualification training for C-5M loadmasters and flight engineers. This MSTT was coordinated in partnership with Air Education Training Command’s 49th Wing and Air Force Materiel Command’s 635th Materiel Maintenance Group. (U.S. Air Force photo by Senior Airman Faith Schaefer)