Tags John Bucknell Nuclear Thermal Turbo Rocket project Nuclear propulsion NASA USAF Trump administration FAA rules RTGs nuclear thermal reactor weapons grade material LEO to Mars via nuclear propulsion ITAR in space nuclear propulsion launch pad nuclear propulsion NIAC funding chemical rocket performance nuclear rocket performance nuclear fuel space tourism SSP air breathing rocket hypersonics aerospike rocket engine nuclear rocket political resistance US citizens owning nuclear material nuclear reactor companies US energy make-up commercial market lowering launch costs low cost space access O'Neill vision commercial SSP SSP rectennas SSP power requirement SSP overhead and maintenance SSP panel maintenance microwave beaming frequencies SSP timeline China issues AI laser beaming SSP as a space weapon Guest John Bucknell Tagline space nuclear propulsion View the discussion thread.