Tags Open Lines Tim Dooley Two Ships, Tales from the Alternative History space property rights Outer Space Treaty space policy Luxembourg deep space mining space resource usage geostationary orbits NASA Administrator commercial space situational awareness risk versus safety risk averseness Mach thrusters Movie Review: Space Foundation Symposium Chinese launch livestream Remembering Bill Mellberg Guest Dr. David Livingston Tagline Open Lines Discussion-All Topics welcome View the discussion thread.