Joint Reserve Base Fort Worth
MilitaryPratt & Whitney Finds Fix for F-35 Engine Issue
Problems with harmonic resonance had halted delivery of fighter jet engines for two months.
Jonathan Welsh![](https://www.flyingmag.com/uploads/2023/03/shutterstock_2056673240.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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