It's official: Europe turns to the Falcon 9 to launch its navigation satellites

Use of Falcon 9 for Galileo / Cost and Security

• EU is turning to Falcon 9 because Ariane 5 is retired, Ariane 6 is delayed, and alternatives are limited.
• Some see it as ironic/undesirable that a “strategic autonomy” program now depends on a US launcher; others call it pragmatic stop‑gap.
• Clarification that the ~$100M figure discussed is largely launch cost, not spacecraft cost; SpaceX’s baseline is noted around $67M, with a premium attributed to security/handling of military‑sensitive payloads.
• Comparison with extremely high US government engine costs (e.g., RS‑25 refurbishment) to show $100M/launch is not extraordinary.

Are These Satellites “Spies”?

• One commenter suggests they must be spy satellites given cost and debris‑recovery arrangements.
• Others push back: GNSS orbits (~20,000–22,000 km) are unsuitable for high‑resolution spying, and EU as such has no unified military/espionage agency; Galileo’s extra features (high accuracy, SAR) and government overhead better explain cost.

European Launch Gap and Ariane 6

• Europe currently lacks a heavy launcher: Ariane 5 retired before Ariane 6 was ready; Vega only covers small payloads.
• Some argue Ariane 5 should have been kept alive until Ariane 6 flew, as many space customers pay heavily to avoid change.
• Ariane 6 is criticized as a politically designed “white elephant,” with workshare politics (France vs Germany) and insufficient demand to justify reusability.

Why Not Use Other Providers (ISRO, etc.)?

• Question raised about using Indian rockets.
• One view: ISRO is more expensive and capacity‑limited; most of its foreign satellites are tiny cubesats.
• Counterpoint: ISRO has launched many satellites for numerous countries with high success; the main concern for high‑value payloads is proven reliability and track record.

SpaceX vs Europe / US vs EU Industrial Models

• SpaceX seen as an outlier compared to both EU and traditional US government rockets (ULA, SLS); without it, the US would be in a similar bind.
• Several comments argue US policy “buys products” via fixed‑price commercial contracts, creating volume and scale, whereas EU tends to “fund research” without guaranteeing demand.
• European space firms (Arianespace, Airbus) are formally private but heavily state‑directed; this is blamed for slow, politicized decision‑making and lack of risk‑taking.
• Debate over culture: some say the US rewards big risk more, while Europe has stronger safety nets but weaker investment culture; others counter that real outcomes are more mixed and often overstated.

GNSS Precision, Multi‑Constellation, and “Swarm” Ideas

• More satellites generally improve positioning (better geometry, faster/more reliable fixes), but gains have diminishing returns and hit noise/multipath limits.
• Multi‑constellation receivers can combine GPS, Galileo, GLONASS, BeiDou, etc., but must reconcile different time bases and reference frames; cheap devices may solve each separately then fuse results.
• Sovereignty is a core driver of separate constellations: militaries don’t want to rely on foreign systems that can be degraded or jammed selectively.
• LEO “swarm” GNSS (e.g., Starlink as navigation) is considered technically feasible and has been publicly hinted at, but would require a powerful ground segment to manage clocks and frequent orbit changes.
• Older TRANSIT‑style Doppler systems and Japan’s QZSS (possibly ground‑synchronized clocks) are discussed as alternative architectures with trade‑offs in coverage and update rate.