The first complete upper stage of Europe’s new Ariane 6 launch vehicle has left ArianeGroup in Bremen and is now on its way to the DLR German Aerospace Center in Lampoldshausen, Germany. Hot firing tests performed in near-vacuum conditions, mimicking the environment in space, will provide data to prove its readiness for flight.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/ariane6upper.jpg)
Source:
https://phys.org/news/2021-01-ariane-upper-stage-hot-firing.html