Maintenance group commander conducts KC-135 Stratotanker pre-flight check
U.S. Air Force Col. Randy D. Schwinler, Commander 379th Expeditionary Maintenance Group (pictured left), Al Udeid Air Base, Qatar, conducts a pre-flight check with and a fellow maintainer Airman First Class William Upchurch, 379th Expeditionary Aircraft Maintenance Squadron, on a KC-135 Stratotanker, July 9, 2022. Schwinler performed an inspection of a control panel with the assistance of Upchurch using an IPAD to work through a digital checklist. (U.S. Air Force photo by Staff Sgt. Dana Tourtellotte)