Reaction Engines
MilitaryTest Aims To Advance Hybrid Rocket-Jet Engine
U.K.-based Reaction Engines has a DoD contract to further validate technology for a hybrid jet-rocket high-Mach engine.
Kimberly Johnson![](https://www.flyingmag.com/uploads/2022/07/J79-and-GSE-scaled.jpeg?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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