ArianeGroups try on reusable space launchers finally with some progress but nearly 2 years behind schedule. #themis #prometheus #arianegroup #arianenext https://www.nasaspaceflight.com/2023/06/themis-prometheus-hot-fire-test/

Testing of the Prometheus engine has begun!
Here comes the new era for the European spaceflight! Prometheus will power #ArianeNEXT!

https://www.esa.int/Enabling_Support/Space_Transportation/First_ignition_for_ESA_s_low-cost_reusable_rocket_engine