The test will streamline future certifications for both allies.

House lawmakers have approved an amendment to the proposed fiscal 2025 National Defense Authorization Act that would increase the number of F-35 Joint Strike Fighters dedicated as developmental test ...

The Lightning II that crashed on Tuesday was one of very few F-35 developmental test aircraft, exacerbating a shortage that has in the past led to program delays. The aircraft, which was en route from ...

The latest Director, Operational Test & Evaluation report says no combat-capable F-35 TR-3 aircraft have been delivered to the U.S. military until September 2025 because of the truncated software. The ...