System Replacement Air Force Senior Airmen Brady Thompson, left, and William Willmann replace a fire overheat protection system in a C-130J Super Hercules aircraft engine at Bagram Airfield, Afghanistan, June 27, 2016. Thompson and Willmann are environmental and electrical maintainers assigned to the 455th Expeditionary Aircraft Maintenance Squadron. Air Force photo by Senior Airman Justyn M. Freeman SHARE: Download: Full Size (2.08 MB) Credit: Senior Airman Justyn Freeman VIRIN: 160627-F-RN544-094A.JPG Photo Gallery