Update 3 September, 18:45 CEST: The Artemis I mission to the Moon has been postponed. NASA teams attempted to fix an issue related to a leak in the hardware transferring fuel into the rocket, but were unsuccessful. A news conference will follow with updates, watch via https://www.nasa.gov/nasalive.

Teams are moving forward to the Moon with a second launch attempt of the Artemis I mission on Saturday, 3 September. The two-hour launch window starts at 20:17 CEST (19:17 BST).