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NASA Rolls Repaired Artemis II Moon Rocket to Pad for April 1 Launch Attempt

NASA is rolling its repaired 332‑foot Artemis II Space Launch System rocket back to Kennedy Space Center’s Launch Complex 39B Thursday night, targeting a crewed launch on April 1 at 6:24 p.m. EDT for a nine‑day flight around the Moon and back. Mounted on an Apollo‑era crawler, the rocket and mobile launch platform are making a 4‑mile, roughly 12‑hour trip from the Vehicle Assembly Building, after engineers fixed earlier hydrogen leaks and a high‑pressure helium pressurization problem in the upper stage traced to out‑of‑place seals in a quick‑disconnect fitting. Once on the pad, teams will reconnect fuel, power and data lines, with NASA saying the next loading of more than 750,000 gallons of liquid hydrogen and oxygen will be for the actual launch rather than another test. Commander Reid Wiseman, Victor Glover, Christina Koch and Canadian astronaut Jeremy Hansen have entered pre‑flight medical quarantine and plan to arrive at Kennedy a week before liftoff, which would be the first crewed SLS/Orion mission and the first piloted Moon mission since Apollo in 1972, sending the crew farther from Earth than any humans have traveled if the launch is on time. The mission is a critical test of Orion’s propulsion, navigation, communications and life‑support systems ahead of planned lunar‑lander tests by SpaceX and Blue Origin and potential Moon‑landing missions later this decade.

NASA Artemis Program Space and National Technology

📌 Key Facts

  • Artemis II SLS rocket began rolling from NASA’s Vehicle Assembly Building to pad 39B around 8 p.m. EDT for a 4‑mile, 12‑hour trip.
  • NASA has set a new launch target of April 1 at 6:24 p.m. EDT for a nine‑day crewed lunar fly‑around mission.
  • Engineers repaired earlier hydrogen leaks and a separate high‑pressure helium pressurization issue in the upper stage before this rollout.

📊 Relevant Data

The Artemis II crew includes the first woman (Christina Koch) and the first Black astronaut (Victor Glover) to travel to the Moon, representing a milestone in addressing historical underrepresentation in NASA's astronaut missions.

Meet the Crew of Artemis II — National Air and Space Museum

As of 2026, NASA's active astronaut corps consists of 38 members, with 13 women (34%) and 25 men (66%), and racial breakdowns including at least 3 Black astronauts (approximately 8%), reflecting ongoing efforts to diversify but also persistent disparities from historical norms where the corps was predominantly White and male.

Active Astronauts — NASA

The Artemis program's key components, including the Space Launch System (SLS), Orion spacecraft, and Exploration Ground Systems, have accumulated cost overruns totaling nearly $7 billion as of 2025, contributing to the program's overall expenses exceeding initial estimates.

New audit pins half of NASA's cost overruns on Artemis moon program — AL.com

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March 19, 2026