Tags Open Lines NASA Administrator Bridenstine lunar & space infrastructure Lop-G (Deep Space Gateway) returning to the Moon Mars insitu resource utilization with the Moon SLS Orion SpaceX rockets LOP-G lunar orbit FISO: Number of cumulative days in space lunar landers ULA lander XEUS lunar lander Dr. Paul Spudis Art Bell Newt's new space vision NASA budget NASA funding issues Guest Dr. David Livingston Tagline Open Lines, the topics you want to discuss. All calls welcome, first time callers welcome, science & space topics View the discussion thread.