Test Tanks Fueled for ESA’s Themis Reusable First Stage

ESA is taking the first steps towards the in-flight demonstration of a prototype reusable rocket first stage called Themis from 2023 onwards. (Credit: ArianeGroup)

VERNON, France (ESA PR) — Recently completed tests of two propellant tanks set a first technological milestone in the ESA reusability roadmap towards the demonstration of a reusable first stage vehicle called Themis.