NASA Continues Artemis I Preparations at Launch Pad Wet Dress Rehearsal Test

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The sunrise casts a golden glow on the Artemis I Space Launch System (SLS) and Orion spacecraft at Launch Pad 39B at NASA’s Kennedy Space Center in Florida on March 23, 2022. The SLS and Orion atop the mobile launcher were transported to the pad on crawler-transporter 2 for a prelaunch test called a wet dress rehearsal. Artemis I will be the first integrated test of the SLS and Orion spacecraft. In later missions, NASA will land the first woman and the first person of color on the surface of the Moon, paving the way for a long-term lunar presence and serving as a stepping stone on the way to Mars. Credit: NASA/Ben Smegelsky

Following arrival of the Space Launch System rocket and Orion spacecraft for Artemis I at Launch Pad 39B at NASA’s Kennedy Space Center in Florida on March 18, teams have connected numerous ground support equipment elements to the rocket and spacecraft, including electrical, fuel environmental control system ducts, and cryogenic propellant lines. Teams successfully powered up all elements of the integrated system at the pad for the first time on March 21 in preparation for the wet dress rehearsal test planned for April 1-3.

Engineering testing is underway to ensure systems continue to operate as planned with the rocket and spacecraft now configured at the pad. Additionally, technicians will don self-contained atmospheric protective ensemble suits, or SCAPE suits, to practice operations in the event of an emergency at the pad during fueling and launch. After checkouts at the pad are complete next week, the team will start system walkdowns ahead of the test.

The approximately two-day wet dress rehearsal test will demonstrate the team’s ability to load cryogenic, or super-cold, propellants into the rocket, conduct a launch countdown, and practice safely removing propellants at the launch pad. After wet dress rehearsal, engineers will roll the rocket and spacecraft back to the Vehicle Assembly Building for final checkouts before launch.



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