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NASA moves Artemis moon rocket off the launch pad

NASA is moving its grounded Artemis moon rocket from the launch pad back to its hangar for more repairs.

ScienceBy Wire ServicesFebruary 25, 20267 min read

Last updated: April 4, 2026, 12:15 AM

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NASA moves Artemis moon rocket off the launch pad

NASA moves its Artemis II moon rocket off the launch pad for more repairs

1 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

2 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

3 of 5 | Astronauts for the upcoming Artemis II mission listen as President Donald Trump delivers the State of the Union address to a joint session of Congress in the House chamber at the U.S. Capitol in Washington, Tuesday, Feb. 24, 2026. (AP Photo/Mark Schiefelbein)

4 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

5 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

1 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

Add AP News as your preferred source to see more of our stories on Google. --> Share Share Facebook Copy Link copied Print Email X LinkedIn Bluesky Flipboard Pinterest Reddit Read More 2 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

Add AP News as your preferred source to see more of our stories on Google. --> Share Share Facebook Copy Link copied Print Email X LinkedIn Bluesky Flipboard Pinterest Reddit Read More 3 of 5 | Astronauts for the upcoming Artemis II mission listen as President Donald Trump delivers the State of the Union address to a joint session of Congress in the House chamber at the U.S. Capitol in Washington, Tuesday, Feb. 24, 2026. (AP Photo/Mark Schiefelbein)

Astronauts for the upcoming Artemis II mission listen as President Donald Trump delivers the State of the Union address to a joint session of Congress in the House chamber at the U.S. Capitol in Washington, Tuesday, Feb. 24, 2026. (AP Photo/Mark Schiefelbein)

Add AP News as your preferred source to see more of our stories on Google. --> Share Share Facebook Copy Link copied Print Email X LinkedIn Bluesky Flipboard Pinterest Reddit Read More 4 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

Add AP News as your preferred source to see more of our stories on Google. --> Share Share Facebook Copy Link copied Print Email X LinkedIn Bluesky Flipboard Pinterest Reddit Read More 5 of 5 | NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

NASA’s Artemis II SLS (Space Launch System) moon rocket with the Orion spacecraft slowly rolls back towards the Vehicle Assembly Building at the Kennedy Space Center, Wednesday, Feb. 25, 2026, in Cape Canaveral, Fla. (AP Photo/John Raoux)

Add AP News as your preferred source to see more of our stories on Google. --> Share Share Facebook Copy Link copied Print Email X LinkedIn Bluesky Flipboard Pinterest Reddit Read More By MARCIA DUNN Updated [hour]:[minute] [AMPM] [timezone], [monthFull] [day], [year] --> Add AP News on Google Add AP News as your preferred source to see more of our stories on Google. --> Share (function () { const counter = document.getElementById("scrollToComments"); const HEADER_OFFSET = 120; function findCommentsModule() { return document.querySelector('.vf3-comments, vf-conversations, [data-test="vf-conversations-root-element"]'); } function maybeShowCounter() { if (findCommentsModule()) { counter.style.display = "inline-flex"; } else { counter.style.display = "none"; } } // Show only when Viafoura is present maybeShowCounter(); // Watch DOM for late loads const observer = new MutationObserver(maybeShowCounter); observer.observe(document.documentElement, { childList: true, subtree: true }); // Scroll action counter.addEventListener("click", function () { const el = findCommentsModule(); if (!el) return; const top = el.getBoundingClientRect().top + window.scrollY - HEADER_OFFSET; window.scrollTo({ top, behavior: "smooth" }); }); })(); .thin-line-button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid #ccc; height: 30px; padding: 0 10px; cursor: pointer; border-radius: 5px; background: none; text-align: center; font-size: 1.4rem; font-weight: 700; white-space: nowrap; flex-shrink: 0; color: inherit; transition: none; /* Remove animation effect */ } [data-featured-type="bgBlackTextWhite"] .thin-line-button { color: #000; background: white; } /* Remove hover effect */ .thin-line-button:hover { border: 1px solid #ccc; } .comment-icon { width: 20px; height: 20px; min-width: 20px; min-height: 20px; flex: 0 0 20px; object-fit: contain; display: inline-block; } .Page-actions-commentCounter .embed-caption { display: none; } .vf-comments-count.vf-is-logged-in { margin-left: 4px; }

CAPE CANAVERAL, Fla. (AP) — NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for more repairs.

The slow-motion trek at Florida’s Kennedy Space Center was expected to take all day. The 322-foot (98-meter) Space Launch System rocket had spent a month at the pad ready for potential liftoff, but encountered a series of problems serious enough to require a return to the Vehicle Assembly Building, about 4 miles (6.4 kilometers) away.

Managers ordered the rollback over the weekend after the rocket’s helium pressurization system malfunctioned. Already delayed a month by hydrogen fuel leaks, the launch team had been targeting March for astronauts’ first trip to the moon in decades. But now the Artemis II lunar fly-around by a U.S.-Canadian crew is off until at least April.

All four astronauts were at the U.S. Capitol on Tuesday night for President Donald Trump’s State of the Union address as invited guests, since the flight delay means they no longer need to quarantine.

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.

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