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When could Artemis II launch?

Helium flow interruption in the SLS rocket's propulsion stage, caused by a component issue, forces rollback and postpones Artemis II launch from March to April.

  • Yesterday, NASA detected an interruption in helium flow to the rocket's upper stage, confined to the SLS interim cryogenic propulsion stage during routine testing.
  • After a wet dress rehearsal exposed hydrogen leaks, managers pushed the planned early-February launch; Feb. 6 was the first day of Artemis II mission’s launch window but was delayed by hydrogen fuel leaks.
  • Preparing for rollback, teams plan to move the 322-foot SLS rocket back to the Vehicle Assembly Building after NASA said a bad filter, valve, or connector plate could have stalled helium flow.
  • NASA now says April is the earliest remaining month for Artemis II, with several April dates listed, after saying `We will begin preparations for rollback, and this will take the March launch window out of consideration`.
  • The crew will spend about two days checking Orion's systems and performing a targeting demonstration before the Moon, as part of Artemis II's 10-day mission, with Reid Wiseman as Crew Commander, Victor Glover, Christina Koch, and Jeremy Hansen onboard.
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saarbruecker-zeitung.desaarbruecker-zeitung.de
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HandelsblattHandelsblatt
Center

With the "Artemis 2" mission four astronauts are about to round the moon. The launch was last planned for March - but now there is another delay.

Center

For NASA, the resumption of manned moon flights is the start into a new era. But again there are technical problems. The rocket was already standing at the launch ramp and must now return to the hangar.

·Hamburg, Germany
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Krem2 News broke the news in Spokane, United States on Saturday, February 21, 2026.
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