Nasa is set to send four astronauts into space – marking the first mission to the Moon’s orbit in more than 50 years.
Victor Glover, Jeremy Hansen, Reid Wiseman and Christina Koch’s mission is partly intended to pave the way for a future lunar landing in the coming years.
Due to launch from 18:24 local time (23:24 BST) from the Kennedy Space Center in Cape Canaveral, Florida, Artemis II will spend around 10 days travelling around the Moon.