• Four huge rockets are due to debut in 2020—will any make it? Ariane 6, Space Launch System, New Glenn, and Vulcan all have 2020 launch dates. https://arstechnica.com/science/2018/07/the-year-2020-could-see-the-unheard-of-debut-of-four-big-rockets-or-not/ 10 comments 24/7/2018 space