NASA Delays Moon Rocket Launch, Returning to Hangar for Repairs

The Artemis II mission to send astronauts around the Moon faces further delays due to technical issues.

Feb. 22, 2026 at 7:20pm

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NASA's giant moon rocket is being rolled back to the hangar this week for more repairs before astronauts can attempt to launch the Artemis II mission. The space agency said the rocket's helium system malfunctioned, further delaying the first crewed lunar mission in over 50 years. Engineers will need to determine the cause of the issue and fix it, pushing the launch to at least April.

Why it matters

The Artemis II mission is a crucial step in NASA's plan to return humans to the Moon for the first time since the Apollo program ended in 1972. This delay adds uncertainty to the timeline and raises questions about the reliability of the new Space Launch System rocket.

The details

After completing a repeat fueling test on Thursday to address hydrogen fuel leaks, another problem arose with the rocket's helium system. The disruption in helium flow, which is needed to purge the engines and pressurize the fuel tanks, has forced NASA to roll the rocket back to the Vehicle Assembly Building to diagnose and fix the issue.

  • NASA is targeting Tuesday to begin the slow, 4-mile trek of the rocket back to the hangar, weather permitting.
  • The Artemis II mission was previously delayed by a month to a March 6 launch date before the latest issue arose.

The players

NASA

The U.S. National Aeronautics and Space Administration, the government agency responsible for the Artemis lunar exploration program.

Artemis II

The second mission in NASA's Artemis program, which aims to send a crew of four astronauts around the Moon and back, the first crewed lunar mission since the Apollo program.

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What’s next

NASA said the quick rollback preps preserve an April launch attempt, but stressed that will depend on how the repairs go. The space agency has only a handful of days any given month to launch the Artemis II crew mission around the Moon.

The takeaway

This latest delay in the Artemis II mission highlights the technical challenges NASA faces in developing a new generation of lunar exploration capabilities. The reliability and readiness of the Space Launch System rocket will be closely watched as the agency works to meet its ambitious timeline for returning astronauts to the Moon.