Via Satellite
• Rachel Jewett
OHB won a contract worth more than $1 billion to build the medium-Earth-orbit shell of Europe’s IRIS² constellation. Separately, Thales Alenia Space will develop Italy’s PRISMA second-generation Earth-observation satellite, Space Inventor will build two HiVE platforms, and NorthStar will lead ESA’s FALCON reentry-tracking consortium.
ESA
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OHB won a contract worth more than $1 billion to build the medium-Earth-orbit shell of Europe’s IRIS² constellation. Separately, Thales Alenia Space will develop Italy’s PRISMA second-generation Earth-observation satellite, Space Inventor will build two HiVE platforms, and NorthStar will lead ESA’s FALCON reentry-tracking consortium.
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The European Space Agency has awarded the first contracts under its European Launcher Challenge, committing €543.6 million to three European rocket startups. The initiative is intended to broaden Europe’s launch options beyond Ariane 6 and Vega-C, expanding the region’s commercial launch ecosystem.
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The European Space Agency has awarded €543.6 million in three-year European Launcher Challenge contracts to Isar Aerospace, PLD Space and Rocket Factory Augsburg, with a MaiaSpace agreement expected to follow. All three selected providers had previously targeted inaugural orbital flights in 2026.
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NASA astronaut Anil Menon and ESA astronaut Sophie Adenot completed a follow-up spacewalk on Aug. 25, successfully installing a replacement Space-to-Ground Antenna that had failed aboard the International Space Station. The operation followed their earlier removal of the faulty unit and was intended to restore communications capability.
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The Meteosat Third Generation Imager-2 is encapsulated inside an Ariane 6 fairing at Europe’s Spaceport in French Guiana for a planned Aug. 27 launch. NASA’s Nancy Grace Roman Space Telescope has reached SpaceX’s Launch Complex 39A ahead of its targeted Aug. 30 launch from Florida.
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NASA astronaut Anil Menon and ESA astronaut Sophie Adenot completed a 6.5-hour spacewalk on Aug. 25, installing a replacement Space-to-Ground antenna outside the International Space Station. The task followed their Aug. 18 removal of a faulty antenna and concluded with the spacewalkers returning inside at 2:57 p.m. EDT.
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The European Space Agency’s Draco reentry mission has completed its Critical Design Review, a major program milestone that authorizes the transition to manufacturing and testing. The mission remains scheduled for launch in 2027, advancing ESA’s work on controlled atmospheric reentry and spacecraft recovery technologies.
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ESA is planning modifications to Ariane 6 to support future Argonaut lunar missions carrying radioisotope power systems. The adaptations would enable the launcher to accommodate missions with nuclear power sources, linking Europe’s heavy-lift launch capability to longer-duration lunar exploration objectives.
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