... work on a comprehensive feasibility study to evaluate the conversion of rocket upper stages into habitats - a project known as Ixion. This innovative approach involves less risk than fabricating modules on the ground and subsequently launching them...
... to the ISS, including Bigelow Aerospace, Axiom Space and Ixion (a consortium of NanoRacks, Space Systems Loral and United Launch...the latter having received NASA's NextSTEP award this year. Ixion plans to study the conversion of a Centaur upper stage...