NASA has called off a second attempt at a launchpad test of its next-generation rocket destined for lunar missions as part of the Artemis program.
The so-called “wet dress rehearsal” would have involved NASA filling its powerful Space Launch System with fuel before conducting a mock countdown.
“During chilldown of the lines in preparation for loading the liquid hydrogen, the teams encountered an issue with a panel on the mobile launcher that controls the core stage vent valve,” NASA explained in a post on its website. “The purpose of the vent valve is to relieve pressure from the core stage during tanking. Given the time to resolve the issue as teams were nearing the end of their shifts, the launch director made the call to stop the test for the day.
Despite the setback, the team said in a tweet that “a lot of great learning and progress” had been achieved during Monday’s efforts.
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