A full-scale Blue Origin Blue Moon crew-cabin replica has been delivered for training at NASA’s Johnson Space Center in Texas, as the Artemis program pushes toward Artemis III’s planned lunar landing technology test and a broader push for human moon return.
For astronauts gearing up to return to the moon, the hardest part often starts long before launch—inside a mockup that lets them rehearse what can’t be rehearsed on Earth.
NASA says a full-scale training replica of one of the commercial lunar landers under development for the Artemis program has arrived at the agency’s Johnson Space Center in Texas. The centerpiece is a crew cabin prototype for Blue Origin’s Blue Moon lander. delivered in what NASA describes as a “landed” moment for training.
The timing matters. NASA’s next crewed destination is built around Artemis III—an Earth-orbit test of lunar lander docking capabilities scheduled about a year before astronauts head to the surface—after Artemis II successfully sent four astronauts around the moon without landing in April.
At Johnson Space Center in Houston, the crew cabin mockup is now available for mission simulations, with the cabin expected to sit at the base of a 52-foot-tall lander being developed by Blue Origin under NASA contract.
The replica is detailed enough for astronauts to practice the routines that will matter once they are actually committed to the lunar surface. NASA says the mockup stands 15 feet tall and includes an exterior ladder similar to the one astronauts would use to exit onto the lunar terrain. Both NASA and Blue Origin can access the exterior and interior of the crew cabin for training activities. including conducting simulations.
NASA also says the training cabin will be used to deliver design feedback to the Blue Origin team as the lander continues to be developed and as mission planning evolves.
The broader question for Artemis crews is whether Blue Origin’s lander will be the one to take astronauts down. The training delivery keeps that possibility in focus as NASA works to move from orbital demonstrations toward surface operations.
Blue Origin. the company behind the lander. was founded in 2000 by billionaire Jeff Bezos. who is also widely known for founding Amazon. Headquartered in Washington state. Blue Origin previously built its early reputation on suborbital human spaceflights using its New Shepard vehicle from West Texas. Those missions have been paused for at least two years while Blue Origin focuses on its lunar program. a shift that came after several celebrity flights—including trips featuring musician Katy Perry and actor William Shatner.
The cabin replica is also part of a fast-moving race in which Blue Origin is not alone. Blue Origin and SpaceX are both pursuing lunar landers aimed at supporting a targeted human surface mission in 2028, now known as Artemis IV.
NASA’s revamped lunar program places Artemis III astronauts aboard an Orion capsule, with planned meeting and docking in Earth orbit in 2027 with one or both of the landers.
SpaceX—originally awarded the contract to develop a configuration of its Starship vehicle. known as the Human Landing System. for the first Artemis mission to send astronauts to the surface—is developing that system for human landings. Blue Origin. meanwhile. is working on a Mark 2 version of its Blue Moon human lander designed to launch without a crew atop the company’s New Glenn rocket.
In NASA’s description of the architecture. both landers are intended to rendezvous with astronauts aboard an Orion spacecraft in lunar orbit and then ferry them to the surface. After the astronauts conduct a moon walk and a series of scientific experiments. the lander would transport them back up to Orion for the journey home to Earth.
Even as NASA prepares for the crew timeline, Blue Origin’s work extends into the uncrewed phase. The company is also preparing to send an uncrewed Mark 1 variant of its Blue Moon lander on a pathfinding mission in 2026 to the moon’s south pole region, where it would permanently remain.
NASA says the mission is one of potentially four robotic lunar landings targeted for 2026 as the agency plans to significantly increase the number of uncrewed landers delivering cargo and science instruments to the moon. For 2027, NASA is eyeing up to 30 more uncrewed landings.
Those missions are contracted under NASA’s Commercial Lunar Payload Services program and are intended to help pave the way for the first astronauts to step foot on the moon since 1972 under the Artemis campaign. NASA also says the knowledge gained would provide a foundation to send humans to Mars.
The sequence now feels more tangible than abstract: an Artemis II loop completed in April. a docking test that feeds Artemis III in Earth orbit. and meanwhile a crew cabin mockup—15 feet tall and ladder-equipped to match a lunar exit plan—arriving at Johnson Space Center as astronauts begin rehearsing the physical reality of lunar life.
NASA Artemis III Artemis II Blue Origin Blue Moon Johnson Space Center lunar lander training Orion capsule SpaceX Commercial Lunar Payload Services lunar landings New Glenn New Shepard