Before our Space Launch System (SLS) rocket and Orion spacecraft can launch our nation into a new era of spaceflight, the duo must first undergo a wet dress rehearsal at the launch pad prior to liftoff. Watch SLS and Orion continue on their path to the pad as they travel to Kennedy Space Center's Launch Pad 39B for a full countdown rehearsal - an operation involving hundreds of engineers stationed all across the nation. All about Artemis I: https://www.nasa.gov/specials/artemis-i/ Credits: Writer: Danielle Sempsrott Editor: Francisco Martin Producers: John Sackman, Michael Justice & Madison Tuttle Music courtesy of Gothic Storm Music Credit: NASA