NASA's Exploration Ground Systems @NASAGroundSys 5min. Thank you to our 'red crew' team that has completed their work at the pad. We are now back in replenish

NASA's Exploration Ground Systems @NASAGroundSys 5min. Thank you to our 'red crew' team that has completed their work at the pad. We are now back in replenish for core stage liquid hydrogen. Team is working on resuming flow to the upper stage.