4th EFGS Airmen conduct maintenance

U.S. Air Force Airmen assigned to the 4th Expeditionary Fighter Generation Squadron, deployed to Kadena Air Base, perform maintenance on F-35A Lightning IIs during base-wide operational readiness exercise BH 26-1 at Kadena Air Base, Japan, Nov. 3, 2025. As the exercise progressed, tasks and workloads grew progressively more challenging, requiring the wing to project airpower while responding to a multitude of emergency scenarios. (U.S. Air Force photos by Senior Airman Jonathan Sifuentes)

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4th EFGS Airmen conduct maintenance

An F-35A Lightning II assigned to the 4th Expeditionary Fighter Generation Squadron, deployed to Kadena Air Base, sit on the flight line during base-wide operational readiness exercise BH 26- 1 at Kadena Air Base, Japan, Nov. 3, 2025. Kadena serves as a critical element in deterring potential adversaries through its demonstrated strength and commitment to regional security. (U.S. Air Force photos by Senior Airman Jonathan Sifuentes)

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4th EFGS Airmen conduct maintenance

Three F-35A Lightning IIs assigned to the 4th Expeditionary Fighter Generation Squadron, deployed to Kadena Air Base, sit in preparation for post-flight inspections during base-wide operational readiness exercise BH 26-1 at Kadena Air Base, Japan, Nov. 3, 2025. Kadena serves as a critical element in deterring potential adversaries through its demonstrated strength and commitment to regional security. (U.S. Air Force photos by Senior Airman Jonathan Sifuentes)

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4th EFGS Airmen conduct maintenance

F-35A Lightning IIs assigned to the 4th Expeditionary Fighter Generation Squadron, deployed to Kadena Air Base, sit on the flight line during base-wide operational readiness exercise BH 26-1 at Kadena Air Base, Japan, Nov. 3, 2025. The exercise simulated contingency operations such as forward power projection with the purpose of enhancing the 18th Wing’s emergency procedures, and more valuably, highlighted areas for improvement and expediting processes for short- or no- notice contingency responses. (U.S. Air Force photo by Senior Airman Jonathan R. Sifuentes)

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4th EFGS Airmen conduct maintenance

A 4th Fighter Generation Squadron patch displayer on a U.S Air Force Airman during base-wide operational readiness exercise BH 26-1 at Kadena Air Base, Japan, Nov. 3, 2025. The exercise simulated contingency operations such as forward power projection with the purpose of enhancing the 18th Wing’s emergency procedures, and more valuably, highlighted areas for improvement and expediting processes for short- or no-notice contingency responses. (U.S. Air Force photo by Senior Airman Jonathan R. Sifuentes)

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4th EFGS Airmen conduct maintenance

Published Nov. 13, 2025
By Senior Airman Jonathan R. Sifuentes
18th Wing Public Affairs

KADENA AIR BASE, Japan --

U.S. Air Force Airmen assigned to the 4th Expeditionary Fighter Generation Squadron, deployed to Kadena Air Base, perform maintenance on F-35A Lightning IIs during base-wide operational readiness exercise BH 26-1 at Kadena Air Base, Japan, Nov. 3, 2025.