Sept. 3, 2020 Airmen find solution to KC-135 and C-130 battery testing failure, reducing cost and maintenance delays Airmen from Rickenbacker Air National Guard Base, Ohio, and Tinker Air Force Base, Oklahoma, helped revise outdated procedures for testing the condition of aircraft batteries on the KC-135 Stratotanker and C-130 Hercules, preventing the premature disposal and replacement of batteries and avoiding