The first hot firing of #Ariane6’s Vulcain 2.1 main engine, developed by @ArianeGroup, has been performed at the @DLR_de test facility in Lampoldshausen, Germany. https://t.co/JRSZdj9hC6 pic.twitter.com/L3mtFtRq5v

— ESA (@esa) January 23, 2018