French Guiana
Avio successfully tests Zefiro 40, Vega-C is closer to flight
(marketscreener.com) Avio Spa reported Tuesday that the Zefiro-40 solid-propellant engine, the second stage of the Vega-C launcher, has been tested at the Salto di Quirra test stand in Sardinia, Italy. The engine features an improved nozzle design ne