The Artemis II mission, after years of prep and repeated setbacks, is scheduled to take off from Florida as early as 6:24 pm (2224 GMT). NASA's team, clad in bright orange suits with blue trim, includes Americans Reid Wiseman, Victor Glover and Christina Koch along with Canadian Jeremy Hansen.

Meet the crew of NASA's Artemis 2, which will include the first woman, first Black man, and first Canadian to fly on a moon mission.

NASA officials on Monday started the two-day countdown to the Artemis II mission launch, which will send a crew of four around the moon.