Bob Zimmerman, # 4594, May 26, 2026
Quick Summary:
This Space Show program focused on NASA’s announcement of a restructuring plan for the Artemis lunar program led by Isaacman, which includes multiple unmanned lunar lander missions and the establishment of a lunar base by 2028. Bob detailed how NASA is relying heavily on private companies rather than building hardware internally, with contracts awarded to Blue Origin, Astrobotic, Intuitive Machines, and Firefly for missions starting as early as late 2023. The discussion covered the competitive landscape of commercial space stations, with VAST, Starlab, and Axiom leading the market, while Sierra Space’s Orbital Reef partnership with Blue Origin appears to be struggling. The conversation also addressed SpaceX’s Starship development progress, with participants debating whether SpaceX would attempt a double catch of both booster and ship on their single launch tower before building a second tower. The show concluded with a discussion about the political and cultural challenges facing space exploration, with participants weighing optimistic versus pessimistic views about the future of commercial spaceflight and space policy.
Summary
Bob discussed NASA’s recent press conference announcing details of its Artemis lunar exploration program, including contract awards and mission plans. The program involves multiple private companies launching lunar landers and rovers to the South Pole region, with the first three missions already scheduled before the end of 2023. Robert noted that while the program is ambitious with plans for up to 20 launches and 25 landings by 2028, it relies heavily on private sector development rather than NASA-built hardware, with Blue Origin receiving significant contracts including two new awards totaling $188 million.
Bob discussed Blue Origin’s lunar landing plans, expressing skepticism about their timeline of 20 landings by 2028, particularly given their reliance on Blue Origin and the challenges with their New Glenn rocket. The group examined a map shown during a press conference about a potential lunar base location near Shackleton Crater, with Joseph identifying a similar crater field in the area and Robert noting the lack of specific location details in the presented map. The discussion concluded with speculation that NASA might be deliberately withholding specific location information to protect potential landing sites from competitors, particularly China.
NASA’s lunar exploration plans were talked about, explaining that missions will focus on scouting and engineering work to prepare for future manned landings and a lunar base. He also revealed that NASA awarded SpaceX additional crew launch contracts through 2030, which he interpreted as effectively ending Boeing’s Starliner program due to lack of funding for further development. Joseph clarified that NASA is not obligated to provide additional funding to Boeing until they successfully complete their original cost-fixed contract.
Bob focused on the current status of commercial space stations, ranking five active projects and noting that while there are market opportunities for ferrying services, Boeing’s Starliner faces challenges due to Boeing’s poor management. He explained that Dream Chaser’s status remains uncertain, with recent delays and incomplete ground testing raising questions about its viability. Robert also provided an update on the five commercial space stations, ranking them and noting that while some projects like VAST and Starlab show promise, Sierra Space’s Orbital Reef partnership with Blue Origin appears to be dormant.
He also explained that private space stations will outperform the ISS by allowing commercial research to produce saleable products on Earth, unlike the ISS which is restricted to non-commercial research. He discussed how NASA’s historical ban on commercial space operations had damaged the American launch industry, citing the example of pharmaceutical research that was halted after the Challenger accident. The group agreed that private companies will own and operate the new stations while NASA purchases services as a customer, representing a shift toward a more capitalist model in space operations.
The group discussed SpaceX’s lack of response regarding NASA’s lunar program, with our guest explaining that SpaceX is focused on manned missions rather than these specific missions and needs to be careful due to their upcoming IPO. The conversation then shifted to comparing NASA’s bureaucratic processes with private space station initiatives, with participants noting how private stations are more flexible and business-friendly compared to the complex requirements of getting experiments on the ISS. Bob explained how top-down bureaucratic systems, like the Soviet model, tend to fail due to lack of competition and innovation, while competitive market systems drive better results.
Bob did address the historical shift from government-led to commercial space exploration, highlighting how SpaceX and commercial satellite businesses proved that profit could be made in space despite initial skepticism. He explained how NASA’s Mars exploration programs have historically been science-focused rather than colonization-focused but noted a recent shift toward engineering-based lunar exploration with the VIPER lander program. The discussion concluded with updates about ULA’s Vulcan rocket program, which is currently grounded due to nozzle failures in Northrop Grumman’s solid rocket boosters, though static fire tests suggest potential solutions may be in development.
The group discussed ULA’s challenges with satellite launches, particularly Amazon’s delayed satellite deployment and ULA’s dependency on strap-on boosters for their Vulcan rocket. Joseph clarified that the NG-4 mission would be a LEO launch carrying 26 satellites, though the rocket’s payload capacity might be limited without boosters. The discussion also covered SpaceX’s Starship development progress, with Joseph estimating 3-4 flights this year before a second launch tower becomes available in Q4, and the team debated whether SpaceX would attempt a double catch on their current tower or wait for the new one to recover both booster and ship.
The Wisdom Team also discussed Elon Musk’s management approach and scheduling practices, with Robert explaining that Musk sets realistic but challenging timelines that engineers can trust. The conversation then shifted to Starlink satellite services, with Bob sharing his positive experience using the service despite minor performance issues during house painting. This part of the discussion concluded with my asking Bob for his guess on the political risks facing space commercialization efforts given current uncertainties and realities in the country today.
Bob did discuss his perspective as a historian on current societal challenges, presenting both pessimistic and optimistic views of the future. He compared the current political climate to H.G. Wells’ time in 1939 and noted that while there are concerning trends, he remains hopeful about society’s resilience and ability to correct course. The discussion touched on concerns about data centers, with both David and Joe sharing local experiences about public opposition to data center development, which Bob attributed partly to ignorance and manufactured comments on social media.
The team discussed opposition to data center construction, with Joe explaining that while some opposition may be driven by Chinese influence, much of it stems from emotional responses and partisanship rather than rational concerns. Bob emphasized the need for more thoughtful and rational discourse about data centers, distinguishing between legitimate questions about their impact and emotional reactions. Joe clarified that modern data centers use less water than older designs, but the rapid scale of proposed construction (80 gigawatts) far exceeds current grid capacity (40 gigawatts annually), making many planned projects unlikely to be built. Bob concluded that the opposition to data centers on Earth could actually benefit the space industry by driving demand for orbital data centers, which would help develop the rocket industry.
The group went on to talk about water requirements for data centers, with Ajay explaining that while traditional nuclear reactors require significant water for cooling, molten salt reactors would not need water for this purpose. The conversation then shifted to political concerns about constitutional issues, with John Hunt warning about potential constitutional collapse and Bob responding with a balanced historical perspective. The conversation ended with technical discussions about SpaceX’s Starlink V3 satellites, including their weight and bandwidth capabilities compared to previous versions.
Bob Zimmerman, # 4594, May 26, 2026
Quick Summary:
This Space Show program focused on NASA’s announcement of a restructuring plan for the Artemis lunar program led by Isaacman, which includes multiple unmanned lunar lander missions and the establishment of a lunar base by 2028. Bob detailed how NASA is relying heavily on private companies rather than building hardware internally, with contracts awarded to Blue Origin, Astrobotic, Intuitive Machines, and Firefly for missions starting as early as late 2023. The discussion covered the competitive landscape of commercial space stations, with VAST, Starlab, and Axiom leading the market, while Sierra Space’s Orbital Reef partnership with Blue Origin appears to be struggling. The conversation also addressed SpaceX’s Starship development progress, with participants debating whether SpaceX would attempt a double catch of both booster and ship on their single launch tower before building a second tower. The show concluded with a discussion about the political and cultural challenges facing space exploration, with participants weighing optimistic versus pessimistic views about the future of commercial spaceflight and space policy.
Summary
Bob discussed NASA’s recent press conference announcing details of its Artemis lunar exploration program, including contract awards and mission plans. The program involves multiple private companies launching lunar landers and rovers to the South Pole region, with the first three missions already scheduled before the end of 2023. Robert noted that while the program is ambitious with plans for up to 20 launches and 25 landings by 2028, it relies heavily on private sector development rather than NASA-built hardware, with Blue Origin receiving significant contracts including two new awards totaling $188 million.
Bob discussed Blue Origin’s lunar landing plans, expressing skepticism about their timeline of 20 landings by 2028, particularly given their reliance on Blue Origin and the challenges with their New Glenn rocket. The group examined a map shown during a press conference about a potential lunar base location near Shackleton Crater, with Joseph identifying a similar crater field in the area and Robert noting the lack of specific location details in the presented map. The discussion concluded with speculation that NASA might be deliberately withholding specific location information to protect potential landing sites from competitors, particularly China.
NASA’s lunar exploration plans were talked about, explaining that missions will focus on scouting and engineering work to prepare for future manned landings and a lunar base. He also revealed that NASA awarded SpaceX additional crew launch contracts through 2030, which he interpreted as effectively ending Boeing’s Starliner program due to lack of funding for further development. Joseph clarified that NASA is not obligated to provide additional funding to Boeing until they successfully complete their original cost-fixed contract.
Bob focused on the current status of commercial space stations, ranking five active projects and noting that while there are market opportunities for ferrying services, Boeing’s Starliner faces challenges due to Boeing’s poor management. He explained that Dream Chaser’s status remains uncertain, with recent delays and incomplete ground testing raising questions about its viability. Robert also provided an update on the five commercial space stations, ranking them and noting that while some projects like VAST and Starlab show promise, Sierra Space’s Orbital Reef partnership with Blue Origin appears to be dormant.
He also explained that private space stations will outperform the ISS by allowing commercial research to produce saleable products on Earth, unlike the ISS which is restricted to non-commercial research. He discussed how NASA’s historical ban on commercial space operations had damaged the American launch industry, citing the example of pharmaceutical research that was halted after the Challenger accident. The group agreed that private companies will own and operate the new stations while NASA purchases services as a customer, representing a shift toward a more capitalist model in space operations.
The group discussed SpaceX’s lack of response regarding NASA’s lunar program, with our guest explaining that SpaceX is focused on manned missions rather than these specific missions and needs to be careful due to their upcoming IPO. The conversation then shifted to comparing NASA’s bureaucratic processes with private space station initiatives, with participants noting how private stations are more flexible and business-friendly compared to the complex requirements of getting experiments on the ISS. Bob explained how top-down bureaucratic systems, like the Soviet model, tend to fail due to lack of competition and innovation, while competitive market systems drive better results.
Bob did address the historical shift from government-led to commercial space exploration, highlighting how SpaceX and commercial satellite businesses proved that profit could be made in space despite initial skepticism. He explained how NASA’s Mars exploration programs have historically been science-focused rather than colonization-focused but noted a recent shift toward engineering-based lunar exploration with the VIPER lander program. The discussion concluded with updates about ULA’s Vulcan rocket program, which is currently grounded due to nozzle failures in Northrop Grumman’s solid rocket boosters, though static fire tests suggest potential solutions may be in development.
The group discussed ULA’s challenges with satellite launches, particularly Amazon’s delayed satellite deployment and ULA’s dependency on strap-on boosters for their Vulcan rocket. Joseph clarified that the NG-4 mission would be a LEO launch carrying 26 satellites, though the rocket’s payload capacity might be limited without boosters. The discussion also covered SpaceX’s Starship development progress, with Joseph estimating 3-4 flights this year before a second launch tower becomes available in Q4, and the team debated whether SpaceX would attempt a double catch on their current tower or wait for the new one to recover both booster and ship.
The Wisdom Team also discussed Elon Musk’s management approach and scheduling practices, with Robert explaining that Musk sets realistic but challenging timelines that engineers can trust. The conversation then shifted to Starlink satellite services, with Bob sharing his positive experience using the service despite minor performance issues during house painting. This part of the discussion concluded with my asking Bob for his guess on the political risks facing space commercialization efforts given current uncertainties and realities in the country today.
Bob did discuss his perspective as a historian on current societal challenges, presenting both pessimistic and optimistic views of the future. He compared the current political climate to H.G. Wells’ time in 1939 and noted that while there are concerning trends, he remains hopeful about society’s resilience and ability to correct course. The discussion touched on concerns about data centers, with both David and Joe sharing local experiences about public opposition to data center development, which Bob attributed partly to ignorance and manufactured comments on social media.
The team discussed opposition to data center construction, with Joe explaining that while some opposition may be driven by Chinese influence, much of it stems from emotional responses and partisanship rather than rational concerns. Bob emphasized the need for more thoughtful and rational discourse about data centers, distinguishing between legitimate questions about their impact and emotional reactions. Joe clarified that modern data centers use less water than older designs, but the rapid scale of proposed construction (80 gigawatts) far exceeds current grid capacity (40 gigawatts annually), making many planned projects unlikely to be built. Bob concluded that the opposition to data centers on Earth could actually benefit the space industry by driving demand for orbital data centers, which would help develop the rocket industry.
The group went on to talk about water requirements for data centers, with Ajay explaining that while traditional nuclear reactors require significant water for cooling, molten salt reactors would not need water for this purpose. The conversation then shifted to political concerns about constitutional issues, with John Hunt warning about potential constitutional collapse and Bob responding with a balanced historical perspective. The conversation ended with technical discussions about SpaceX’s Starlink V3 satellites, including their weight and bandwidth capabilities compared to previous versions.
Special thanks to our sponsors:American Institute of Aeronautics and Astronautics, Helix Space in Luxembourg, Celestis Memorial Spaceflights, Astrox Corporation, Dr. Haym Benaroya of Rutgers University, The Space Settlement Progress Blog by John Jossy, The Atlantis Project, and Artless Entertainment
We use Zoom phone numbers for program participation.
For real time program participation, email Dr. Space at: drspace@thespaceshow.com for instructions and access.
The Space Show is a non-profit 501C3 through its parent, One Giant Leap Foundation, Inc. To donate via Pay Pal, use:
To donate with Zelle, use the email address: david@onegiantleapfoundation.org.
If you prefer donating with a check, please make the check payable to One Giant Leap Foundation and mail to:
One Giant Leap Foundation, 11035 Lavender Hill Drive Ste. 160-306 Las Vegas, NV 89135
Upcoming Programs:
No Program for Friday, May 29, 2026 | Friday 29 May 2026 930AM PT
Guests: Dr. David Livingston
No program today, Friday, May 26, 2026
Broadcast 4596: Zoom: Open Lines Discussion | Sunday 31 May 2026 1200PM PT
Guests: Dr. David Livingston
Zoom: Open Lines Discussion. Email DrSpace prior to air time for Zoom phone number access.
