![](https://www.flyingmag.com/uploads/2024/03/8277423.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
Grey Wolf
MilitaryMH-139 Grey Wolf Advances Into Initial Operational Testing, Evaluation
Helicopters are to take over nuclear security roles currently performed by Air Force’s aging UH-1N Hueys.
Kimberly Johnson![](https://www.flyingmag.com/uploads/2025/02/250128-F-VS152-1012-scaled.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2024/03/8277423.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)
Sign-up for newsletters & special offers!
Get the latest FLYING stories & special offers delivered directly to your inbox