NASA and ESA announced some of the outcomes of their Comparative [exploration] Architecture Assessment today
In the following text from the joint statement find hyperlinks to the various Flight stories that have pre-empted the agencies’ announcement;
“Findings from the study included a significant mutual interest in the potential development of lunar cargo landing systems, communication and navigation systems, lunar orbital infrastructures, and lunar surface systems, such as habitats or mobility systems. The study also identified the significant value gained from redundant human crew transportation capability.”