Artemis I Wet Dress Rehearsal Testing Rescheduled

Photo Credit: Space Channel/Nicholas D’Alessandro

NASA is targeting Monday, April 4, to resume the Artemis I wet dress rehearsal test. The test was stopped Sunday, April 3 prior to tanking due to loss of ability to pressurize the mobile launcher using two fans. The fans are needed to provide positive pressure to the enclosed areas within the mobile launcher and keep out hazardous gases. Without this capability, technicians were unable to safely proceed with remotely loading the propellants into the rocket’s core stage and interim cryogenic propulsion stage.

The launch control team will meet at 6 a.m. EDT and review the status of the operations before deciding if they will proceed with propellant loading. The targeted test T-0 is planned for 2:40 p.m. EDT. Meteorologists with the U.S. Space Force Space Launch Delta 45 currently predict favorable weather conditions for tanking operations.

During a teleconference this evening, Mike Sarafin, Artemis I mission manager and Charlie Blackwell-Thompson, Artemis launch director indicated that teams are continuing to troubleshoot the issue with the fans and aim to have a resolution later tonight. NASA will provide an update the morning of April 4, prior to the tanking meeting.

The Space Launch System (SLS) core stage, interim cryogenic propulsion stage, and Orion spacecraft will remain powered up overnight. The SLS boosters will be powered down, and then powered up again Sunday morning. Teams will work through the night and into the morning to complete necessary preparations ahead of loading propellants into the rocket.

NASA is streaming live video of the rocket and spacecraft at the launch pad on the Kennedy Newsroom YouTube channel.

Artemis I Wet Dress Rehearsal Testing Rescheduled

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