Please consider donating to Behind the Black, by giving either a one-time contribution or a regular subscription, as outlined in the tip jar to the right or below. Your support will allow me to continue covering science and culture as I have for the past twenty years, independent and free from any outside influence.
More details on Liberty, the Ares/Ariane hybrid rocket proposed by ATK and Alliant to provide crew/cargo capabilities to ISS. Key quote:
[Liberty] would be able to lift 44,500 lb. of payload to the International Space Station, enough for any of the commercial crew capsules under development as potential space shuttle replacements.