Engine Explanation Members of the Japan Air Self-Defense Force get briefed on the structure of a C-130H Hercules engine by flight propulsion journeyman Staff Sgt. Synard Bert, 374th Maintenance Squadron at Yokota Air Base in Japan, Jan. 25, 2017. Air Force photo by Senior Airman Elizabeth Baker SHARE: Download: Full Size (0.36 MB) Credit: Senior Airman Elizabeth Baker VIRIN: 170125-F-RA202-003C.JPG Photo Gallery