NASA Tries Fueling Moon Rocket in Test, but Leak Reoccurs

NASA Tries Fueling Moon Rocket in Test, but Leak Reoccurs
The NASA moon rocket for the Artemis mission stands on Pad 39B at the Kennedy Space Center in in Cape Canaveral, Fla., on Sept. 21, 2022. John Raoux/AP Photo
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CAPE CANAVERAL, Fla.—NASA’s new moon rocket sprouted another fuel leak Wednesday as engineers tested the plumbing ahead of a launch attempt as early as next week.

The daylong demo had barely begun when hazardous hydrogen fuel began escaping at the same place and same time as before, despite new seals and other repairs. Engineers halted the flow and warmed the lines in hopes of plugging the leak, and proceeded with the test. But the leak persisted.