The Journal of Space Commerce

The Journal of Space Commerce

Initial RS-25 Certification Campaign Complete

Tom Patton's avatar
Tom Patton
Jun 29, 2023
∙ Paid

NASA and Aerojet Rocketdyne have concluded the initial RS-25 certification campaign consisting of 12 hot fire tests.

“The test series went very smoothly, raising our level of confidence that the new hardware designs and manufacturing processes will yield highly producible, reliable engines.”

Eileen Drake, Aerojet Rocketdyne

The new RS-25 production engines…

User's avatar

Continue reading this post for free, courtesy of Mike Turner.

Or purchase a paid subscription.
© 2026 Ex Terra Media, LLC · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture