‘Eagle on steroids’ arrives in Japan

Two F-15EX Eagle II aircraft from the 85th Test and Evaluation Squadron, Eglin Air Force Base, Florida, arrived at Kadena Air Base on July 12 for integration and familiarization training with local units and joint partners.

This overseas deployment of the F-15EX, the Air Force’s most advanced version of the Eagle and often referred to as the “Eagle on steroids,” offers a strategic preview of forward-based airpower in the Indo-Pacific region.

The visit comes ahead of the planned permanent deployment of 36 F-15EX aircraft to Kadena in spring 2026.

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“The arrival of the F-15EX at Kadena marks more than just a training opportunity, it’s a glimpse into the future of airpower in the Indo-Pacific,” said Brig. Gen. John Gallemore, 18th Wing commander. “By operating this next-generation platform in its future environment, we’re laying the groundwork for seamless integration, sustained readiness, and a decisive edge in a rapidly evolving security landscape.”

“We’re using every test mission to gather critical data that helps refine the F-15EX and shape how we’ll operate and maintain it,” said 1st Lt. Kaylee O’Connor, officer in charge of Red Aircraft Maintenance Unit, 96th Aircraft Maintenance Squadron. “When the platform arrives at Kadena, it will integrate seamlessly with existing systems. These insights—from parts and sustainment to operational tempo—ensure it’s mission-ready from day one.”

Equipped with advanced avionics, next-generation radar, electronic warfare systems, and expanded payload capacity, the F-15EX represents a leap forward in both offensive and defensive capabilities. Its integration will strengthen Kadena’s ability to deter threats, enhance warfighting capabilities, and support the U.S.-Japan security alliance.

During its time in the region, the aircraft will also participate in exercise Resolute Force Pacific 2025.

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