April 1 (UPI) -- NASA's Artemis II mission is set to launch Wednesday evening from Cape Canaveral, Fla. The four astronauts are preparing for liftoff at 6:24 p.m. EDT. The rocket has its fill of fuel for the launch, and "Everything is going very well right now," Artemis Assistant Launch Director Jeremy Graeber said. The 10-day trip will be the first crewed flight to the moon in more than 50 years and the farthest distance from Earth traveled by humans. NASA said Tuesday that its only concern is