The sweeping revisions to the agency's program came during an update on repairs to the Space Launch System rocket, which will launch Artemis II, a 10-day lunar flyby mission with a crew, as early as April.
The rocket was carried by a huge machine called a crawler-transporter, travelling at a top speed of 0.82 mph (1.3 km/h) as it trundled along. Live coverage captured the slow-moving spectacle.
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