Josh Dinner is a freelance writer, photographer and videographer covering space exploration, human spaceflight and other subjects. He has covered everything from rocket launches and NASA's Artemis 1 Space Launch System megarocket to SpaceX astronaut launches for NASA. To find out Josh's latest space project, visit his website and follow him on Instagram and Facebook.
. And with a new moonshot comes a new moon rocket. SLS has never flown, and the recent wet dress rehearsal was supposed to be its last hurdle. But whether or not Artemis 1 is actually ready to fly now is not yet clear.
Those issues were addressed inside KSC's Vehicle Assembly Building over the past month, but controllers on Monday ran into another hydrogen leak while running the wet dress at the launch pad. This new leak, however, appeared in a"quick disconnect" — a point where the fueling cables connecting the SLS to the MLP are designed to separate during launch.
The patch allowed the ground launch sequencer to basically skip over the automatic checks that would have detected the leak, but the onboard flight systems for SLS were unable to undergo the same failsafe bypass. As planned, the terminal count proceeded through the T-33 second mark, at which point the ground computers hand over flight control to SLS's systems.
"Terminal count is a very dynamic time," explained Charlie Blackwell-Thompson, Artemis launch director with the Exploration Ground Systems Program at KSC.
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