Tags Open Lines Dr. David Livingston US budget deficit the new White House Executive Order for space resource usage Mars Sample Return planetary protection Gateway station Covid-19 Martian surface lab for sample return Masten Space Systems award Dr. Limoli radiation experiments Yuri's Night NSS Space Settlement L5 Shielded Dumbbell paper U.S. Space Force farm exports to China Michael Listner or litigation efforts directed at China US media ratings US constitutional issues in the wake of COVID 19 response EMP threat DNA sequencing for Mars Sample Return Commercial space NewSpace investments Guest Dr. David Livingston Tagline Open Lines. All STEM, STEAM, space, science & virus calls welcome. So are 1st time callers. View the discussion thread.