SpaceX said it is intensifying work on a simplified Human Landing System based on the upper stage of Starship to support a crewed return to the Moon, and it highlighted refinements to an elevator system for moving astronauts and cargo from orbiting stage to the lunar surface.[1] The company also said it expects to test the multi-ship refueling sequence required for HLS missions in 2026.[1]
The critical technical issue remains propellant transfer in Earth orbit: without reliable refueling, Starship cannot deliver a crewed lunar landing architecture at scale, and that limits lunar cargo mass, surface power systems, and habitat deployment capacity.[1][6][9] SpaceX has already completed 49 HLS milestones, including cabin environmental-control testing, docking adapter qualification, landing-leg drop tests, throttle testing, micrometeoroid shielding work, landing sensor/radar demonstrations, and software architecture reviews.[8]
The Ark team should track three items: orbital refueling test outcomes, elevator and cargo-transfer reliability, and the maturity of life-support, docking, and fault-tolerance systems that could be repurposed for lunar logistics and survival infrastructure.[1][8] Priority research: how Starship-derived interfaces could standardize bulk cargo handling, crew transfer, and emergency redundancy for a lunar base designed to persist for centuries.[8]
The key takeaway is that SpaceX is closing many subsystem gaps, but lunar mission viability still hinges on proving refueling and integrated end-to-end mission operations.[1][6][9]