Mars Sample Return Orbiter concepts using Solar Electric Propulsion for the post-Mars2020 decadeRobert E. Lock, Zachary J. Bailey, Theresa D. Kowalkowski, Erik L. Nilsen, Richard L. Mattingly2014 IEEE Aerospace Conference2014Since the selection of the proposed Mars 2020 mission as a Rover with the capability of sample collection and caching, there has been renewed interest in subsequent mission concepts to return Mars… (More)