Firefly completes first hot fire of a new rocket engine for upgraded Antares
![](https://spaceexplored.com/wp-content/uploads/sites/10/2023/12/MD1.webp?w=1352)
Last week Firefly completed a test fire of its Miranda engine that will be used on its Medium Launch Vehicle and Northrop Grumman‘s Antares 330 rocket. This was a first for the company and a quick one as the company only signed the contract from Northrop just over one year ago.
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