
NASA's SLS rocket faces new helium issue, Artemis II launch delayed
USA TODAY
NASA's Artemis II rocket encountered a new helium flow issue which is likely to delay its early March launch. Here's what we know.
NASA had just announced a flawless wet dress rehearsal and possible early March liftoff of its long-awaited Artemis II mission, but all that changed in less than 24 hours.
A closer look at the giant SLS moon rocket revealed a new issue – one that will likely further delay the launch and will now require NASA to roll the rocket back to the Vehicle Assembly Building.
An early Saturday Feb. 21 NASA blog update reported that overnight data showed an interruption in the flow of helium into the SLS's interim cryogenic propulsion stage.
"We will begin preparations for rollback, and this will take the March launch window out of consideration," NASA Administrator Jared Isaacman wrote on X. The next launch opportunity opens on April 1.
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