U. S. Air Force Airman 1st Class Nathan Bredl, a C-17 Globemaster III loadmaster student assigned to the 97th Training Squadron, tests a circuit breaker handle prototype on a KC-135 Stratotanker July 21, 2020, at Altus Air Force Base, Oklahoma. Bredl helped design this handle at the 97th Air Mobility Wing Spark Cell. (U.S. Air Force photo by Senior Airman Breanna Klemm)