ELLSWORTH AIR FORCE BASE, S.D. - Staff Sgt. Brandon Roel, 28th Maintenance Squadron non-destructive inspection technician, conducts a routine inspection on a B-1B Lancer’s main landing gear wheel Sept. 2. Sergeant Roel is looking for any cracks that may have occurred during landings. (U.S. Air Force photo/Senior Airman Kasey Close)