Ariane 6 is a launch vehicle under development by the European Space Agency (ESA), with a first test flight scheduled for 2020. When development is completed, it will become the newest member in the Ariane launch vehicle family. The final design was selected by a meeting of ESA ministers in December 2014, favoring a liquid fueled core with large solid rocket boosters over the initial solid-rocket fuel design. The motivation for Ariane 6 is to replace Ariane 5 at half the cost, and allow double the number of launches each year.
The Ariane 6 contains: