Zefiro 9 VT3 completes qualification test – Satellite News Digest

The qualification test of the Zefiro 9 VT3 engine, an advanced version of the third stage propulsion system already in use on the Vega launcher and specifically enhanced and customised for the new Vega C, was successfully completed recently.

http://www.sat-nd.com/archive/?id=2020100403

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