NASA officials and astronauts have a keen eye on the weather forecast as they prepare for the Artemis II launch set to become the first crewed mission to the moon for the first time in more than 50 years, scheduled for Wednesday, Australian time.
Launching from Kennedy Space Center, the mission will send four astronauts on a roughly 10-day journey around the moon before returning to Earth.
The crew includes NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, alongside Canadian Space Agency astronaut Jeremy Hansen, marking the first time a non-American has taken part in a lunar mission of this kind.
At the centre of Artemis II is NASA’s next-generation deep-space architecture, combining the Space Launch System (SLS) and the Orion spacecraft, the mission will mark the first time both systems carry astronauts, building directly on the uncrewed Artemis I test flight.
Lori Glaze, acting associate administrator for NASA’s Exploration Systems Development Mission Directorate, said during a NASA media briefing over the weekend: “Our flight systems are ready, the ground systems are ready, our launch and operations teams are ready, and our flight operations team in Houston are also ready. The crew arrived yesterday, and I know that they’re ready – they are more than ready.”
“Right now, things are moving very well and on schedule, even a little ahead,” Glaze added.
Artemis II commander Reid Wiseman said during a media interview from quarantine: “We’re ready to launch, but we’re also humans trying to load millions of pounds of propellant onto a giant machine and send it to the moon ... It could very well be we get on April 1st and we’re behind timeline and we’re just not ready as a team.”
Once in orbit, Orion will carry the crew on a free-return trajectory around the moon, taking them farther from Earth than any humans since the Apollo era.
During the mission, astronauts will conduct a wide range of system checks and operational exercises, including evaluating navigation, communications and flight procedures critical for future missions.
A central objective highlighted by NASA is to rigorously test Orion’s life support systems with humans onboard in the deep-space environment. These systems, supported by the European-built service module, provide air, water, power, propulsion and temperature control, ensuring the crew can live and work safely beyond Earth orbit.
The mission profile also includes an initial high-Earth orbit phase, allowing crews and ground teams to assess spacecraft performance before committing to the lunar trajectory – a critical safety and verification step.
Over the course of the flight, the crew will carry out intensive testing and demonstrations, helping validate systems needed for longer-duration missions.
Artemis II is widely regarded as the proving ground for NASA’s return to the moon. It will confirm that the SLS rocket, Orion spacecraft and supporting infrastructure are ready to safely carry humans into deep space, a prerequisite for Artemis III, which aims to land astronauts on the lunar surface for the first time in more than half a century.
Wiseman added: “If we get off on the third, great. If we get off on the sixth, great. If we’ve got an issue and we’ve got to come back in May or June or whenever the team and the vehicle are ready, we are ready for that.”
Beyond its technical goals, the mission represents a broader strategic shift. Artemis II is designed to lay the groundwork for a sustained human presence on and around the moon, support international partnerships and ultimately enable future crewed missions to Mars, marking the beginning of what NASA describes as a new “golden age” of exploration.