Hydrogen Leaks Return as Artemis 2 Eyes March Liftoff

1 min read
Source: Gizmodo
Hydrogen Leaks Return as Artemis 2 Eyes March Liftoff
Photo: Gizmodo
TL;DR

NASA continues to wrestle hydrogen leaks on the Space Launch System as Artemis 2 pursues a March liftoff; after Artemis 1 delays, technicians replaced two seals in the tail service mast umbilicals and rechecked interfaces, with Artemis 2’s wet dress rehearsal going more smoothly. Hydrogen’s tiny molecules and ultra-cold temperatures make seals brittle and leaks hard to eradicate, but lessons from Artemis 1 have improved procedures and testing—only further checks will confirm a reliable Artemis 2 launch.

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