NASA Artemis and the Return to the Moon — 2026-10-23

Top developments

NASA to Reveal Updated Artemis Timelines and "Acceleration" Plans

NASA Administrator Jared Isaacman will participate in a press conference at 2 p.m. ET on Friday, October 23, to provide an official update on the agency’s plans to return American astronauts to the Moon by 2028. This briefing follows NASA’s earlier announcement that it intends to accelerate the program, potentially involving a pause on the Gateway lunar outpost in favor of a surface-based Moon base. The update is expected to clarify the status of SLS and Orion hardware, as well as the integration of commercial landers.

Lander Timelines Set for Q3 2027 and Early 2028

NASA has outlined a new schedule for its Human Landing System (HLS), targeting an uncrewed demonstration by SpaceX’s Starship in Q3 2027, followed by a crewed lunar landing in early 2028. Blue Origin is also part of the plan, with uncrewed landings scheduled before the crewed mission. This timeline aims to compress the gap between Artemis II and Artemis III, though NASA officials have acknowledged the technical risks associated with rapid acceleration.

Artemis II Crew Reveals Near-Miss Cabin Leak

Victor Glover, an astronaut on the recently completed Artemis II mission, disclosed that a suspected cabin leak warning occurred just 15 minutes before a critical engine burn. The crew had to assess the situation rapidly to ensure the Orion spacecraft’s integrity before proceeding with the lunar flyby. This incident highlights the ongoing challenges in deep-space life support systems and the margin of error during long-duration missions.

Artemis Accords Expand to 77 Signatories

The number of nations signing the Artemis Accords has reached 77, with Uzbekistan joining the agreement on October 19, 2026, in Samarkand. The signing ceremony was attended by U.S. Secretary of State Marco Rubio and Uzbek Foreign Minister Bakhtiyor Saidov. This expansion underscores the growing international coalition supporting NASA’s lunar exploration framework and its standards for the peaceful and transparent exploration of the Moon.

Local view

Japanese media outlets, including Sorae, have focused on the expansion of the Artemis Accords and the latest developments in the Lunar Terrain Vehicle (LTV) program. Reports highlight NASA’s progress on the LTV, which is scheduled to be deployed to the lunar south pole by 2028 as part of the Moon Base initiative. JAXA’s role in providing components for the Gateway and the LTV remains a key topic, although the recent shift toward a surface base may impact future Gateway-related contracts.

Context & numbers

• Lunar Landings: Targeted for early 2028 (Artemis III/IV).
• Artemis Accords: 77 signatory nations as of October 21, 2026.
• Engine Testing: NASA successfully tested RS-25 engine No. 10001 on October 21 at Stennis Space Center to support future Artemis missions.

6 sources

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Artemis I - NASA

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NASA Johnson’s 2025 Milestones - NASA

On the radar

• LTV Contract Award: NASA is preparing to award Phase 2 of the Lunar Terrain Vehicle Services contract, which will involve a demonstration mission on the Moon later this decade.
• Gateway Pause: While not confirmed in the last 7 days, ongoing discussions suggest a continued shift away from the Gateway station toward surface infrastructure, with a potential $20 billion cost for initial Moon base elements over seven years.
• SpaceX Readiness: NASA IG reports indicate SpaceX’s lander may not be ready for a June 2027 landing, raising questions about the feasibility of the accelerated timeline.