250501-F-LX373-1013
From left, U.S. Air Force Airman 1st Class Boyce Jone and Airman 1st Class Elijah Blackley, 374th Maintenance Squadron crew chiefs, place a tire on a C-130J Super Hercules from the 36th Airlift Squadron during an isochronal inspection at Yokota Air Base, Japan, May 1, 2025. An ISO inspection is a time-based, scheduled maintenance check conducted at regular calendar intervals, regardless of equipment usage, to ensure the mission readiness and operational integrity of military assets. (U.S. Air Force photo by Airman 1st Class David S. Calcote)