Sirius Space Fires Complete STAR-1 Rocket Engine for the First Time
French launch startup Sirius Space Services has successfully test-fired a complete prototype of its STAR-1 rocket engine for the first time. The company announced the milestone on 12 September, stating that it had conducted the first hot-fire tests of the complete STAR-1 engine at Airborne Engineering’s propulsion test facility in southern England. While the company […]
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Published by European Spaceflight on 09/13/2026