NASA Recasts Artemis III as 2027 Earth‑Orbit Systems Test, Delaying First Crew Moon Landing

NASA has released its first substantive outline of Artemis III as a 2027 crewed test mission in Earth orbit, giving the clearest picture yet of how the agency plans to rehearse key Moon-landing operations before sending astronauts to the lunar surface. In a May 13 update, NASA said Artemis III is being designed around rendezvous and docking tests between the Orion spacecraft and commercial lunar lander test articles from SpaceX and Blue Origin.

The new details matter because they show NASA’s revised strategy for reducing risk ahead of its next attempted crewed lunar landing. Rather than sending Artemis III straight to the Moon, the agency now plans to use the mission to test how Orion and lunar landing systems work together in orbit close to Earth, where operations are easier to support and troubleshoot.

That marks a major change from Artemis’ original structure. Artemis I flew uncrewed, Artemis II flew a crew around the Moon and returned in April 2026, and Artemis III had long been expected to deliver the first astronauts to the lunar surface. But on Feb. 27, 2026, NASA formally reset the architecture, adding an extra Artemis mission and shifting the first crewed lunar landing to Artemis IV, targeted for 2028.

“While this is a mission to Earth orbit, it is an important stepping stone to successfully landing on the Moon with Artemis IV. Artemis III is one of the most highly complex missions NASA has undertaken,” Jeremy Parsons, Moon to Mars acting assistant deputy administrator in NASA’s Exploration Systems Development Mission Directorate, said in NASA’s May 13 article.

Under NASA’s preliminary plan, Artemis III would launch four astronauts aboard Orion on a Space Launch System rocket from Kennedy Space Center in Florida. Instead of flying with the SLS rocket’s usual interim cryogenic propulsion stage, the mission would use a non-propulsive “spacer” to simulate the upper stage’s mass. NASA said design and fabrication of that hardware is underway at Marshall Space Flight Center in Alabama.

After launch, Orion’s European-built service module would provide the propulsion needed to circularize the spacecraft’s orbit in low Earth orbit, according to NASA. Once there, the crew would carry out rendezvous and docking tests with commercial lander hardware. NASA said in February it would “endeavor to include a rendezvous and docking with one or both commercial landers,” meaning the final lineup has not been settled.

NASA also said astronauts could potentially enter at least one lander test article, though that remains under consideration. The mission is expected to place added emphasis on life-support testing, with the crew spending more time aboard Orion than on Artemis II. Artemis III would also include the first docking-system performance demonstration on a crewed Orion mission and a test of an upgraded Orion heat shield during reentry, intended to support more flexible return profiles.

Because Artemis III will stay in Earth orbit, NASA said it will not rely on the Deep Space Network, the agency’s far-space communications system, and is seeking industry input on alternatives for ground communications. NASA is also asking domestic and international partners about flying CubeSats, small research satellites, on the mission.

The mission outline comes as NASA continues processing hardware. The agency said the Artemis III core stage was photographed in the Vehicle Assembly Building on May 12, and Orion’s service module was photographed ahead of acoustic testing on May 7.

The shift to an Earth-orbit systems test also aligns with broader concerns around schedule and technical risk in NASA’s Human Landing System effort. A March 10, 2026, audit by NASA’s Office of Inspector General flagged several challenges, including delays in SpaceX’s work on vehicle-to-vehicle cryogenic propellant transfer, a key technology for lunar mission architecture. NASA has not said that issue alone drove the redesign, but it provides relevant context for the agency’s emphasis on an intermediate risk-reduction mission.

When NASA announced the February reset, Administrator Jared Isaacman said the agency needed to “move faster, eliminate delays, and achieve our objectives,” while Associate Administrator Amit Kshatriya said the new Artemis III test approach would avoid unnecessarily altering the SLS-Orion configuration for later missions.

NASA said the Artemis III plans remain preliminary and that some mission decisions have not been made. The agency expects to refine the mission in the coming weeks.