Teams are replenishing liquid hydrogen into the core stage and report seeing good data where a red crew tightened connections in the area of a leaky valve on the mobile launcher. The leak is not reoccurring. Engineers are back into liquid hydrogen fast fill operations on the interim cryogenic propulsion stage.
Engineers also are tracking the loss of signal from a radar site required for launch. The Range is in the process of troubleshooting it while launch operations continue.