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# CNES tender reveals Callisto reusable rocket demonstrator delayed to 2027
- URL: https://sovereigntymonitor.eu/news/2025-09-12-cnes-callisto-tender-delay-2027/
- Published: 2025-09-12T12:00:00.000Z
- Updated: 2026-10-21T05:48:53.000Z
- Description: CNES published a tender on 12 September 2025 seeking mechanical operations support for the Callisto reusable rocket demonstrator. The call confirmed its first flight test campaign has slipped from 2026 to 2027, the second delay in under a year.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #reported, #editor-read

Reported Editor-read [European Spaceflight, 16 September 2025](https://europeanspaceflight.com/cnes-call-reveals-inaugural-callisto-flight-test-pushed-to-2027/?ref=sovereigntymonitor.eu)

**What it does not test.** It does not establish that funding, scope or partner contributions to Callisto itself have changed, only the flight date.

**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; read and approved by the editor on 2026-10-14\. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)