T+340: Starliner’s Future and the Demand Signal

NASA and Boeing laid out Starliner’s return-to-flight plan as SpaceX prepares to leave Dragon behind. I talk through the weak demand signal for crewed flight in LEO, how NASA’s commitment to the ISS and commercial stations boxed themselves into this decision, and what to do between here and the Moon.
This episode of Main Engine Cut Off is brought to you by 33 executive producers—Theo and Violet, Miles O’Brien, Joakim, Steve, Warren, Joel, Frank, Joonas, Natasha Tsakos, Will and Lars from Agile, David, Matt, Jan, Matt from Built, Lee, Josh from Impulse, Russell, Heiko, Kris, Tim Dodd (the Everyday Astronaut!), Ryan, The Astrogators at SEE, Donald, Fred, Pat, Stealth Julian, and four anonymous—and hundreds of supporters (mainenginecutoff.com/support).
Topics
• Boeing "incredibly excited" to serve as nation's only astronaut transportation - Ars Technica (arstechnica.com/space/2026/09/boeing-incredibl…)
• After being sidelined, Boeing's Starliner to get starring role in NASA's spaceflight plans - Ars Technica (arstechnica.com/space/2026/09/nasa-to-order-mo…)
• Congress extends ISS and tells NASA to get moving on private space stations - Ars Technica (arstechnica.com/space/2026/03/congress-steps-u…)
• NASA chief concerned China may deny access to parts of Moon's south pole - Ars Technica (arstechnica.com/space/2026/09/nasa-chief-conce…)
• SpaceX's Starship goes orbital, deploying first next-gen Starlinks - Ars Technica (arstechnica.com/space/2026/09/starships-first-…)
• Vast Establishes Lunar Programs Division, Applying Haven Flight Heritage to Power, Communications, and Habitats on the Moon — an update by VAST (vastspace.com/updates/vast-establishes-lunar-p…)
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