NASA set for “kinder, gentler” SLS tanking test

NASA officials say they’re ready to try a new approach to fueling the Space Launch System to prevent the return of leaks that scrubbed an earlier launch attempt. The main objective of the test is to confirm that repairs to seals in liquid hydrogen lines into the core stage eliminate a significant leak seen in the second attempt to launch the rocket on the Artemis 1 mission Sept. 3. Officials say they should know pretty quickly after the test if the new seals and fueling process were successful in preventing a reoccurrence of the leak.

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