Third Attempt of NASA’s Megarocket Rehearsal Foiled by Hydrogen Leak

NASA’s third attempt at a modified rehearsal of the Space Launch System (SLS) came to a halt on Thursday when a leak of liquid hydrogen was detected during tanking operations. The space agency is planning another wet dress rehearsal for the Moon rocket no earlier than April 21.

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Original source: https://gizmodo.com/space-launch-system-wet-rehearsal-nasa-sls-leak-1848800396