F-35 Joint Program Office
MilitaryUSAF Makes First F-35 TR-3 Configuration Test Flight
With the Technology Refresh 3 upgrades, a fighter flew to 35,000 feet at nearly the speed of sound.
Kimberly Johnson![](https://www.flyingmag.com/uploads/2023/01/7583873-e1673381693125.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2022/09/Pilot-and-copilot_adobe-stock-rs.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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