Overview
- The SLS rocket and Orion spacecraft reached Launch Pad 39B on Friday after an overnight 4-mile rollout that started late due to high winds, with pad hookups and closeouts now underway.
- Launch opportunities open April 1 at 6:24 p.m. ET with options through April 6, and a slip past this window would delay the flight by several weeks.
- Engineers fixed interrupted helium flow to the upper stage by reseating seals in a quick-disconnect fitting and replaced multiple batteries during the Vehicle Assembly Building stay.
- NASA does not plan another wet dress rehearsal, stating the next propellant loading will be for liftoff on a roughly 10-day lunar flyby mission.
- Astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen are in preflight quarantine, as NASA and NOAA prepare real-time space-weather monitoring with Orion’s radiation sensors and crew dosimeters.