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Artemis III Lander Architecture - What Could Still Go Wrong

TL;DR Artemis III is supposed to land two astronauts near the lunar south pole using a stripped-down SpaceX Starship as the Human Landing System (HLS). The architecture is genuinely audacious - it requires a new super-heavy rocket to fly several times before the crewed mission, on-orbit cryogenic propellant transfer at a scale that has never been demonstrated, and a lunar surface stay enabled by a vehicle three times taller than the Saturn V’s lunar module. The technical risk is concentrated in propellant transfer, boil-off management, engine relight reliability, and crew ingress/egress from a 50-metre tower on a sloped, unprepared surface. The schedule risk is concentrated in everything that has to happen before the crewed flight - and most of it has not happened yet. The mission can succeed. The honest read in mid-2026 is that it will succeed late, and the more interesting question is which of these subsystems is actually the long pole. How Artemis III Is Supposed To Work Artemis III’s architecture is not Apollo. Apollo carried everything it needed in one stack on a Saturn V. Artemis III spreads the mission across multiple launches, multiple vehicles, and two distinct propulsion systems, with a crew transfer in lunar orbit. ...

May 3, 2026 · 8 min · James M
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Human Spaceflight Rockets in 2026: A New Era Takes Off

A few weeks ago, four astronauts came home from the Moon for the first time since 1972. Artemis II splashed down on April 11, 2026, after a nine-day flight that took its crew further from Earth than any human has ever travelled - 252,756 miles, a new record set by Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen. It is the clearest signal yet that human spaceflight has stopped being a thing of the past and started being a thing of the near future again. But the headline mission is only one piece of a much larger picture. The decade we are living in is shaping up to be the most consequential one for crewed space travel since Apollo - and unlike the 1960s, this time it is not a single government driving it. ...

May 2, 2026 · 11 min · James M

SpaceX Starship vs NASA SLS: Two Visions for Deep Space

Two Paths Diverge The 21st century space race isn’t between countries - it’s between philosophies. NASA’s Space Launch System (SLS) and SpaceX’s Starship represent two radically different bets on how to explore deep space. The SLS is the traditional aerospace approach: specialized hardware, proven technology, massive government investment, and a decades-long development timeline. Starship is the startup approach: rapid iteration, reusability, vertical integration, and “fail fast” in practice. Both are heading to the Moon. Only one philosophy will define deep space exploration beyond. ...

April 7, 2026 · 8 min · James M

SpaceX Starfactory

About The SpaceX Starfactory is the heart of Starship production, located within the Starbase complex in Boca Chica, Texas. Its goal is to mass produce Starship rockets, with an ambitious target of one Starship per day! This vast facility manufactures and assembles Starship vehicles, including both the Starship spacecraft itself and the Super Heavy booster that launches it. The Starfactory is still under construction, but with ongoing expansion it’s expected to reach its full production potential soon. SpaceX views Starfactory as crucial to achieving their long-term goals - regular space travel and missions to Mars. By streamlining Starship production, they hope to dramatically increase launch cadence and make space more accessible. ...

June 22, 2024 · 1 min · James M