The Journal of Space Commerce

The Journal of Space Commerce

SEP Thrusters Tested by NASA, Aerojet Rocketdyne

Tom Patton's avatar
Tom Patton
Jul 19, 2023
∙ Paid

Engineers from NASA and Aerojet Rocketdyne are beginning qualification testing on the cutting-edge solar electric propulsion (SEP) thrusters that will change the in-space propulsion game. The culmination of this work will see these innovative thrusters fly on Gateway beginning in 2025, making it the most powerful SEP spacecraft ever flown.

“Current elect…

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