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# ArianeGroup completes hot-fire tests of 3D-printed H2O2 thruster
- URL: https://sovereigntymonitor.eu/news/2025-05-22-arianegroup-3d-printed-thruster-hotfire/
- Published: 2025-05-22T12:00:00.000Z
- Updated: 2026-10-22T04:00:54.000Z
- Description: ArianeGroup completed hot-fire tests of a 3D-printed, flight-configured 240N hydrogen peroxide thruster, developed partly under the EU-funded SALTO reusable-launcher project, an engineer said on 22 May 2025.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #reported, #ai-drafted

Reported AI-drafted [European Spaceflight, 23 May 2025](https://europeanspaceflight.com/arianegroup-completes-hot-fire-tests-of-3d-printed-thruster/?ref=sovereigntymonitor.eu)

**What it does not test.** Does not confirm the thruster's final application; ArianeGroup gave little detail and any Themis reaction-control role is the outlet's inference.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)