NASA has moved the Artemis II moon rocket back to its Vehicle Assembly Building to address a helium pressurization issue that has postponed the launch of four astronauts until at least April 1. The 23.6 million-pound rocket, transported by a crawler-transporter, will undergo repairs, including access to its upper stage for troubleshooting. This follows previous delays due to hydrogen leaks detected during testing. Only limited launch windows are available each month due to various trajectory constraints.
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