Lessons from past space missions are thought to be guiding Artemis II.
The Orion spacecraft is now orbiting Earth and will remain in orbit for the next 24 hours, marking the first crewed lunar flyby in over 50 years.
Kea Aerospace Founder and the first Kiwi in space, Mark Rocket, says significant work remains on the rocket launch system before a lunar landing can happen.
He explained they've got a new capsule and system - and they basically have had to rebuild the whole programme.
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Heather du Plessis-Allan Drive