When will Artemis II launch? NASA gears up for its next Moon mission

More than 50 years after humans last left footprints on the Moon, NASA is now on the verge of sending astronauts back into deep space. The Artemis II mission marks a historic moment for space exploration, bringing crewed lunar travel back into focus for a new generation.

Set against the backdrop of the legacy left by Apollo 17 commander Gene Cernan, the mission represents both a technological milestone and a symbolic return to humanity’s unfinished journey beyond Earth.

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What time will Artemis 2 launch?

More than five decades have passed since humans last travelled to the Moon, when Apollo 17 commander Gene Cernan left behind a message of peace and hope before returning to Earth in December 1972. Now, NASA stands on the threshold of making good on that vision with Artemis II. NASA has set the targeted liftoff time for 6:24 p.m. EDT, with launch coverage beginning earlier in the day, as per a report by NPR and NASA.

The rocket is currently being fuelled by NASA, and the process is proceeding smoothly. The SLS rocket will be fueled by 700,000 gallons of liquid hydrogen and super-cold liquid oxygen, as per the latest report.

How to watch Artemis 2 launch?

Broadcast coverage of tanking operations starts at 7:45 a.m. EDT, while full launch coverage begins at 12:50 p.m. EDT across NASA+, YouTube, and other platforms.

Weather remains one of the final variables. Officials from NASA and the U.S. Space Force’s Space Launch Delta 45 currently estimate an 80% chance of favourable launch conditions, though teams continue monitoring cumulus clouds, ground winds, and solar weather, as per a report by NPR and NASA.

At a briefing, launch weather officer Mark Burger said conditions remain promising, though the situation is being watched closely as the countdown continues.

Who are the Artemis II astronauts?

Artemis II will be the first crewed mission of NASA’s Artemis program. The four-member crew includes NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen, as per a report by NPR and NASA.

Together, they will embark on an approximately 10-day mission around the Moon, following a carefully planned figure-eight trajectory before returning to Earth.

Unlike the uncrewed Artemis I test flight in 2022, this mission will include astronauts on board, making it a major step toward NASA’s long-term lunar ambitions.

How is NASA preparing the rocket for launch?

In the final hours before liftoff, engineers at Kennedy Space Center have been completing a series of precise and highly choreographed technical checks. Critical health inspections have already been completed on the rocket’s four RS-25 engines, confirming that sensors and diagnostics are functioning as expected.

The Orion spacecraft’s batteries have been fully charged to support avionics, communications, and life-support systems during launch and early flight. Engineers have also charged the rocket’s core stage batteries to power ascent control systems.

Inside the spacecraft, teams performed leak checks on the astronauts’ pressure suits to ensure they remain airtight and fully operational in the unlikely event of cabin depressurization, as per a report by NPR and NASA.

Another major countdown step includes switching internal cavities from air to gaseous nitrogen, creating a stable inert environment ahead of cryogenic fueling.

Later, the ground launch sequencer will be activated. This automated system controls thousands of timed commands in the final minutes before liftoff, including valve operations and system transitions.

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Why is Artemis II so important?

This mission is much more than a test flight. Artemis II is a critical step toward NASA’s goal of returning humans to the lunar surface and eventually establishing a sustained presence there, including a possible moon base with international partners.

The mission also fulfills, in spirit, the hope expressed by Gene Cernan during Apollo 17’s final moments on the Moon.

Before leaving, Cernan said, "We leave as we came and, God willing, as we shall return, with peace and hope for all mankind."

More than half a century later, Artemis II brings that return closer than ever. As senior NASA test director Jeff Spaulding described, the weight of the moment may not fully sink in until the final countdown begins.

"That's when it really starts to hit home that, you know, we really got a shot at making it today," he said. "And I know a lot of people are thinking the same thing, because you can hear a pin drop in that firing room as you count from 10 down to T-zero."

For NASA and for the world, Artemis II is not just another launch. It is the beginning of humanity’s next chapter beyond Earth.


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FAQs

When is Artemis II launching?
NASA is targeting liftoff for 6:24 p.m. EDT on April 1.

How long is the Moon mission?
The Artemis II journey is expected to last just under 10 days.