NASA

Guest:  Dr. Umair Siddiqui;  Topics:  The Phase Four radio frequency plasma thruster, plasma science, Hall thrusters, LEO, comsats, mega satellite constellations and more.

Guest:  Don Pickering;  Topics:   AI-driven remote robotic software for space and other applications, AI, robotics technology, business and political risks plus industry comparisons.

Guest:  Jose Ocasio-Christian;  Topics: Caelus Foundation updates, Sino-US commercial space workshops, national security space, Sino-US space and trade policy plus much more.

Guest:  Christopher (Chris) Stone;  Topics:  US National Security Space policy, deterrence, concerns, creating a space force, space weaponization, China, Russia, deterrence and more.

Guest:  Dr. Ajay Kothari; Topics:  Returning to the Moon.  See his plans in his PDF "Come Hell or High Water" which is posted on the blog and linked in comments.

Guests:  Lars Osborne & Daudi Barnes;  Topics:  Agile Space Industries, space propulsion systems, unique fuels and rapid testing plus much more.

Guest:  Douglass Stewart:  Topics: Chesley Bonestell, his space art and story, plus the documentary film "Chesley Bonestell: A brush with The Future."

Guest:  Ted Southern; Topics: Spacesuits in detail for all types of missions.  Spacesuit engineering, costs, technology, mass, life support, and challenges.

Guest:  John Bucknell; Topics:  Nuclear thermal propulsion, chemical propulsion, space solar power (SSP), the commercial case for SSP and more.

Guest:  Jeff Greason;  Topics:  Advanced propulsion, beamed propulsion, electric vehicles, cost factors, launch markets, nuclear propulsion, Tau Zero Foundation, Electric Sky and more.