> ## Content Index
> Fetch the complete content index at: https://sovereigntymonitor.eu/llms.txt
> Use this file to discover other available public pages before exploring further.

# FLEX and Sentinel-3C launched on Europe's Vega-C rocket from French Guiana
- URL: https://sovereigntymonitor.eu/news/2026-09-15-esa-flex-sentinel3c-vega-c-launch/
- Published: 2026-09-15T12:00:00.000Z
- Updated: 2026-09-18T13:55:09.000Z
- Description: ESA's Vega-C rocket lifted off from Europe's Spaceport in French Guiana carrying the FLEX vegetation fluorescence Explorer and the Copernicus Sentinel-3C satellite, both ESA/EU owned Earth observation missions.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #verified, #ai-drafted

Verified AI-drafted [ESA press release, 15 September 2026](https://www.esa.int/Applications/Observing%5Fthe%5FEarth/FLEX%5Fand%5FSentinel-3C%5Flaunched?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish that either satellite has entered routine operations, nor that Vega-C's launch rate or cost rivals non-European providers.

**How this item counts.** No movement: no answer to who owns, who operates, whose law governs or who made the parts changes. Weight 0\. Routine launch on existing European rocket/satellites, no ownership/operate/law/parts answer changes. [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)