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U.S. Air Force Airman 1st Class Bryan Rivera, 374th Maintenance Squadron aerospace propulsion technician, performs isochronal inspections on a C-130J Super Hercules at Yokota Air Base, Japan, May 1, 2025. Airmen from ten career fields across the 374 MXS come together during ISO inspections, enforcing standards, and sustaining combat-ready aircraft to project airpower across the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class David S. Calcote)

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A C-130J Super Hercules from the 36th Airlift Squadron sits in a hangar as the 374th Maintenance Squadron performs isochronal inspections at Yokota Air Base, Japan, May 1, 2025. Airmen from ten career fields across the 374 MXS come together during ISO inspections, enforcing standards and sustaining combat-ready aircraft to project airpower across the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class David S. Calcote)

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U.S. Air Force Senior Airman Jack Hernandez, 374th Maintenance Squadron crew chief, inspects the cockpit inside of a C-130J Super Hercules window during an isochronal inspection of aircraft assigned to 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)

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U.S. Air Force Senior Airman Anfernee Chea, 374th Maintenance Squadron avionics technician, poses for a photo during a C-130J Super Hercules isochronal inspection at Yokota Air Base, Japan, May 1, 2025. Airmen from ten career fields across the 374 MXS come together during ISO inspections, enforcing standards and sustaining combat-ready aircraft to project airpower across the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class David S. Calcote)

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250501-F-LX373-1016

U.S. Air Force Airman 1st Class Ormand Young, 374th Maintenance Squadron aircraft structural maintenance technician, performs an isochronal inspection on a C-130J Super Hercules assigned to the 36th Airlift Squadron at Yokota Air Base, Japan, May 1, 2025. Airmen from ten career fields across the 374 MXS come together during ISO inspections, enforcing standards and sustaining combat-ready aircraft to project airpower across the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class David S. Calcote)

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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)

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374 MXS checks off mission readiness with ISO inspections

Published May 7, 2025
By Airman 1st Class David S. Calcote
374th Airlift Wing Public Affairs

YOKOTA AIR BASE, Japan -- U.S. Air Force Airman 1st Class Bryan Rivera, 374th Maintenance Squadron aerospace propulsion technician, performs isochronal inspections on a C-130J Super Hercules at Yokota Air Base, Japan, May 1, 2025. Airmen from ten career fields across the 374 MXS come together during ISO inspections, enforcing standards, and sustaining combat-ready aircraft to project airpower across the Indo-Pacific. (U.S. Air Force photo by Airman 1st Class David S. Calcote)

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