SMRTR Science & EngineeringSep 21, 2025Ars Technica

After a very slow start, Europe’s reusable rocket program shows signs of life

SMRTR summary

Europe's reusable rocket program is finally gaining momentum after years of delay. ArianeGroup has completed integration of the Themis prototype rocket in Sweden, with low-altitude hop tests expected by early 2025. This milestone initiates "combined tests" to verify launch pad interfaces before cryogenic testing begins, representing Europe's concrete response to SpaceX and Blue Origin's reusable rocket achievements from a decade ago.

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