European Spaceflight
• Andrew Parsonson
Sirius Space has completed the first hot-fire test of its fully integrated STAR-1 rocket engine, marking a development milestone ahead of a planned 2027 demonstration flight. The test advances the company’s commercial launch vehicle program toward an in-flight demonstration.
Launch Vehicles & Space Transportation
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Sirius Space has completed the first hot-fire test of its fully integrated STAR-1 rocket engine, marking a development milestone ahead of a planned 2027 demonstration flight. The test advances the company’s commercial launch vehicle program toward an in-flight demonstration.
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Europe’s space sector is entering a period of visible momentum: Isar Aerospace reached orbit on its second Spectrum flight, the UK published a new space strategy, and PLD Space unveiled a larger reusable launcher. Together, the developments signal growing commercial and national ambition across Europe’s launch market.
HyPrSpace has pushed the inaugural flight of its Baguette One suborbital rocket to 2027, when the vehicle is planned to launch from the DGA test site at Biscarrosse. The mission, announced with France’s Ministry for the Armed Forces, would mark a first for French spaceflight.
Some satellite companies continue to view dedicated launch services as essential for most missions, preserving demand for tailored access to orbit despite the broader push toward rideshare options. The preference underscores the value operators place on mission-specific timing, deployment control and orbital flexibility.
Rocket Lab placed an Earth-observation satellite into orbit on Sept. 10 for a customer it did not identify. The company provided few mission details and no livestream, leaving the payload’s specifications, orbit and end use undisclosed.
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Elon Musk and SpaceX face a strategic choice between deploying cash-generating satellites and funding human missions to deep space. The tension highlights the scale of resources required for Mars ambitions—and the uncertainty surrounding their commercial and strategic payoff.
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United Launch Alliance is preparing to resume Vulcan launches in the coming weeks, while financial pressure at the joint venture has renewed questions about whether its owners may ultimately seek a sale. The developments put Vulcan’s launch cadence and ULA’s longer-term corporate structure in focus.
Avio has completed integration of its FD1 rocket demonstrator, clearing the way for ground testing ahead of a planned suborbital flight from Sardinia. The milestone marks the transition from vehicle assembly to test operations for the demonstrator program.
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