Artemis 2 at a glance
Artemis 2 is the first crewed flight of NASA’s Artemis program and will send astronauts around the Moon and return them to Earth. As of mid-2025, the mission is in final preparation, with NASA targeting liftoff no earlier than mid-September 2025 from Kennedy Space Center in Florida. This target follows earlier slips from initial dates in 2022 and 2023, largely due to technical reviews, contractor deliveries, and certification steps. This article explains the current launch date, the path to readiness, and what must happen before the capsule, crew, and rocket can fly.
Current Artemis 2 status
Artemis 2 status centers on integration and launch preparations. The Space Launch System (SLS) rocket and Orion spacecraft are at Kennedy Space Center undergoing final closeouts, tests, and pre-launch checks. The crew—NASA astronauts and international partners—continue mission training, including simulations and reviews of timelines, procedures, and contingency plans. NASA and Lockheed Martin, Orion’s prime contractor, report the spacecraft is in stable configuration for crewed flight. Key remaining gates include the Flight Readiness Review (FRR) and a pre-launch demonstration, with the official launch date set after these milestones are complete.
What we know today
From official briefings and NASA sources, Artemis 2 is positioned for no earlier than mid-September 2025. This date reflects recent schedule updates and acknowledges supply-chain and processing realities. The mission will be the first integrated flight of SLS and Orion with crew, reaching a free-return trajectory that carries astronauts around the Moon and back to Earth. Until the Flight Readiness Review concludes and the launch date is officially set, the timeline remains subject to change based on test results and certification outcomes.
Key drivers of the current timeline
- Completion of integration between Orion, SLS, and ground systems
- Successful hot-fire and pre-launch tests of SLS
- Crew qualification, training, and suit checks
- Range certification and weather/flight rules for the Eastern Range
- Review and approval of all flight hardware and software
Target launch date and recent changes
Artemis 2’s target launch window currently centers on mid-September 2025, a shift from earlier planning that anticipated late 2024 or early 2025. The adjustments reflect the realities of integrating a complex crew-rated system, meeting safety and mission assurance requirements, and aligning with international partner commitments. This section compares planned versus actual progress and outlines what must still occur before launch.
Planned versus actual progress
| Milestone | Originally planned | Current status or latest update | Source type |
|---|---|---|---|
| Key design completion | 2020–2021 | Completed with Artemis 2 Critical Design Review in 2021 | NASA |
| First crewed flight (Artemis 2) | Late 2024 | No earlier than mid-September 2025 | NASA public schedule and mission briefings |
| SLS wet dress rehearsal and hot-fire | 2022–2023 | Completed in 2023 and 2024 with multiple tests | NASA/ESA |
| Orion maiden flight (uncrewed Artemis 1) | 2022 | Launched November 2022, returned December 2022 | NASA |
| Artemis 2 launch | 2023 | No earlier than mid-September 2025 | NASA mission timeline |
Path to launch
Before Artemis 2 can fly, several critical steps must conclude successfully. The Flight Readiness Review evaluates program health, risk, and tests. A pre-launch demonstration validates procedures with the crew. Then, final stacking, cryogenic loading tests, and countdown rehearsals occur. Only after these gates close will a firm launch time be set and publicly announced. Understanding these gates explains why target dates can move and how confident we can be in any given timeline.
Critical remaining milestones
- Flight Readiness Review (FRR) approval
- Crew launch simulation and training sign-off
- Range safety and tracking validation
- Final vehicle stacking and end-to-end tests
- Launch date official announcement
What a delay would mean
If Artemis 2 slips further, consequences include higher costs, revised crew training cycles, and potential impacts on Artemis 3’s planning and lunar surface mission prep. Delays also affect international partner expectations and the broader Artemis campaign. Program managers weigh these against the imperative to ensure safety and mission success. Clear documentation of schedule risk helps maintain transparency about when Artemis 2 will ultimately launch.
Bottom line on timing
Artemis 2 is scheduled for no earlier than mid-September 2025, pending successful completion of final tests, reviews, and certification steps. This is the first crewed lunar flyby in a generation, making careful preparation paramount. As the launch date approaches, NASA will provide updated timelines, official announcements, and media opportunities to confirm a safe path to flight.