The barges, which measure between 20 and 32 metres long (66 to 105ft), had to be cleaned and made seaworthy before they could be towed into place and set on to a platform of sediment.
Isaacman said the Artemis III docking in low Earth orbit could take place with one or both of the landers.
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Zoe Langley-Wathen
Beckhams seen together in Paris after Brooklyn row
Comparison between error-diffusion dithering and ordered dithering. Left to right: error-diffusion, ordered.