Staff Sgt. Travis Krause, 507th Aircraft Maintenance Squadron crew chief from Tinker Air Force Base, Okla., performs a visual inspection on the wing of a KC-135R Stratotanker before flight at Glasgow Prestwick Airport, Scotland, Aug. 27, 2017. 507th Air Refueling Wing Reserve Citizen Airmen from Tinker AFB flew 16 aeromedical evacuation technicians from Scott AFB, Ill., to and from Scotland to provide in-flight medical training designed to strengthen skills and teamwork. (U.S. Air Force photo/Tech. Sgt. Samantha Mathison)