An Airman with the 374th Maintenance Squadron works to install a tail pipe ejector on a C-130J Super Hercules’ Rolls Royce AE2100D3 engine, Feb. 22, 2018, at Yokota Air Base, Japan. In order to stay cleared to fly, each aircraft must undergo regular detailed isochronal inspections and preventative maintenance. (U.S. Air Force photo by Senior Airman Donald Hudson)