NASA Troubleshooting Artemis II Rocket Upper Stage Issue, Preparing to Roll Back
NASA Science [Unofficial]
February 21, 2026
Editor’s note: NASA has updated an earlier version of this blog to provide additional details. NASA is taking steps to potentially roll back the Artemis II rocket and Orion spacecraft to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Florida after overnight Feb. 21 observing interrupted flow of helium to the […]
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