NASA's Exploration Ground Systems - @NASAGroundSys Fastfill complete and back in core stage topping. --- NASA's Exploration Ground Systems @NASAGroundSys Ran

NASA's Exploration Ground Systems - @NASAGroundSys Fastfill complete and back in core stage topping. --- NASA's Exploration Ground Systems @NASAGroundSys Range Safety Officer reported to NASA Test Director a problem with a bad ethernet switch, and the Range is currently working to change it out and reverify it. Range reporting that it should take about 70 minutes to do that work. --- NASA's Exploration Ground Systems - NASAGroundSys Upper stage is now in fast fill at 58% liquid hydrogen filled. Liquid oxygen for both upper and core stage are in stable replenish.