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NASA is modifying its Artemis lunar program, specifically the Space Launch System (SLS) rocket. Plans include simplifying the launch system and reducing mission intervals. A new upper stage, Centaur V, will be supplied by United Launch Alliance (ULA) through a non-competitive contract, as it meets technical and schedule requirements.

This shift aims to facilitate a sustained human presence on the Moon and enhance future deep space exploration. The Artemis 2 mission is set for April 2024, while Artemis 3 is now a test flight scheduled for 2027, with the first lunar landing targeted for Artemis 4 in 2028.