If all goes well, the crew will end up bobbing safely in the ocean aboard its Orion capsule, dubbed Integrity, shortly after 8 p.m. ET off the coast of San Diego.

On Wednesday, two days after their moon flyby, the crew of the Artemis II mission settled in for a day of preparation to return to Earth.

The four astronauts said they were returning to Earth with "so many more pictures, so many more stories".

The astronauts are set to splash down off the coast of San Diego, California