Artemis III launch date: NASA sets 2027 Earth‑orbit test as lunar landing shifts to 2028

The headline today

As of April 12, 2026, NASA lists Artemis III for 2027, but without a specific launch day. In a late‑February program overhaul, the agency redefined Artemis III as an Earth‑orbit test mission in 2027 to prepare for a first crewed lunar landing now targeted for Artemis IV in 2028. (nasa.gov )

What NASA has officially said

• NASA’s February 27, 2026 news release confirms the reshuffle: Artemis III is “now in 2027” and will focus on testing rendezvous, docking, and life‑support operations in low Earth orbit with one or both commercial lunar landers. Specific objectives will be finalized after upcoming reviews. (nasa.gov )
• The same architecture update reiterates NASA’s target for the first lunar surface mission in early 2028 (Artemis IV). (nasa.gov )

Why the date moved

NASA’s shift follows a year of schedule pressure across key elements:

• Human Landing System (HLS): NASA’s Inspector General reported in March 2026 that SpaceX’s Starship HLS for Artemis III has slipped at least two years since contract award, with major milestones (like large‑scale cryogenic propellant transfer in orbit) sliding into 2026. The report noted NASA had already pushed Artemis III “to no later than June 2027,” and warned that further technical issues could drive additional delay. (oig.nasa.gov )
• Spacesuits and integration: GAO previously cautioned that HLS and new lunar suits (Axiom) were pacing items, projecting as far back as late 2023 that Artemis III would likely occur in early 2027 rather than 2025. (gao.gov )
• Orion/SLS readiness: NASA’s December 5, 2024 update moved Artemis II to April 2026 and Artemis III to mid‑2027, citing heat‑shield findings and life‑support work—precursors that must be proven before a landing attempt. (nasa.gov )

What Artemis III will actually do in 2027

Artemis III is no longer a lunar landing. Instead, it becomes a high‑stakes rehearsal in Earth orbit to reduce risk before the 2028 landing:

• Conduct docking practice between Orion and one or both lunar landers (SpaceX Starship HLS, Blue Origin Blue Moon), run integrated checkouts of life support, communications and propulsion, and evaluate the new xEVA suits. NASA says it will set the final test matrix after joint reviews with industry. (nasa.gov )
• The move mirrors NASA’s public explanation that an “Apollo‑style” step‑by‑step cadence is needed to close readiness gaps while keeping flights closer together. An Associated Press report summarizing the plan notes the 2027 test flight will emphasize docking and operations, with landings following in 2028. (apnews.com )

Is there a specific launch day?

Not yet. NASA characterizes Artemis III as a 2027 mission with objectives to be finalized and no day‑certain date on the public calendar. The Inspector General’s March 2026 report references a working plan that had pointed to “no later than June 2027,” but given NASA’s subsequent architecture change, treat that as context—not a firm launch day. Expect NASA to set a narrower launch window after Artemis II data and HLS milestones are in hand. (oig.nasa.gov )

The critical dependencies that could still move the date

• Propellant transfer in space: SpaceX must demonstrate vehicle‑to‑vehicle cryogenic propellant transfer—a first‑of‑its‑kind operation central to the Starship architecture—now planned for 2026. Any slippage here directly squeezes Artemis III’s schedule. (oig.nasa.gov )
• Uncrewed HLS demo: The uncrewed lunar landing and ascent test was expected to push toward late 2026, leaving only months of margin before a mid‑2027 crewed mission in earlier plans. Resulting risk led NASA to re‑scope Artemis III into an Earth‑orbit test. (oig.nasa.gov )
• Suit readiness and interfaces: Axiom’s xEVA suits and their interfaces with landers and Orion remain integration drivers, highlighted by GAO as schedule‑sensitive. (gao.gov )

What to watch between now and 2027

• Artemis II outcomes (2026): Orion life‑support performance, SLS/ground operations, and reentry data from the crewed lunar‑flyby will shape certification and risk posture for Artemis III. Artemis II’s slip from 2025 to April 2026 was part of the chain pushing Artemis III later. (nasa.gov )
• NASA’s “Strengthened Artemis” implementation: The agency has said it will standardize configurations, keep the near‑term missions on Block‑1‑like hardware, and refine the Artemis III test objectives “in the near future.” Watch for those updated objectives and the formal launch window. (nasa.gov )
• HLS acceleration decisions: The Inspector General notes NASA solicited acceleration proposals from SpaceX and Blue Origin and anticipated decisions in spring 2026—outcomes that could influence how much rendezvous/docking scope Artemis III carries and how fast the program pivots to the 2028 landing. (oig.nasa.gov )

Bottom line

• Official status: Artemis III is planned for 2027 with no day‑certain launch date; it is now an Earth‑orbit test mission. (nasa.gov )
• Landing timeline: The first crewed lunar landing of the Artemis campaign is targeted for Artemis IV in 2028. (nasa.gov )
• Confidence factors: The schedule hinges on Artemis II performance, maturation of Starship HLS (especially propellant transfer), xEVA suit readiness, and cross‑program integration. Independent oversight (GAO/OIG) has consistently flagged these as pacing items. (gao.gov )

In other words: until NASA closes the remaining test points and sets a formal launch window, the precise Artemis III launch date remains “2027, to be determined.”