Embarking from the Vehicle Assembly Building to Launch Pad 39B at NASA's Kennedy Space Center in Florida, the 11 million-pound (5 million kilograms) stack will be transported at a speed of about 1 mph (1.6 km/h along a 4-mile (6.4 kilometers) route — a journey that will take up to 12 hours and be streamed live on NASA's Youtube channel.

The first human spaceflight to the vicinity of the Moon since December 1972 is set to roll out to Launch Complex 39B at the Kennedy Space Center. The Orion spacecraft and its associated Space Launch System rocket,

Depending on the timing, NASA could launch a fresh crew to the space station while four other astronauts are flying around the moon.