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The integrated SLS (Space Launch System) rocket and Orion spacecraft — which will hold the four astronauts flying the mission — began its hours-long journey from the Vehicle Assembly Building to Launch Pad 39B around 9 a.m. ET.
The agency said the four mile trek to ferry the 11 million-lb rocket stack could take up to 12 hours.
“The architecture you see behind us here with SLS and the Orion spacecraft is just the beginning,” NASA director Jared Isaacman told reporters at the event.
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