NASA's new chief unveiled an ambitious vision on Tuesday that includes a revamped roadmap for a permanent moon base. While the space agency has long had its sights set on establishing a permanent settlement on the moon for astronauts to live and work, Tuesday marked the first time NASA has revealed a timeline for such efforts. "The moon base will not appear overnight," NASA Administrator Jared Isaacman said, adding the agency "will invest about $20 billion over the next seven years and build it through dozens of missions." How the agency will exactly fund and execute the plan remains unclear, but the proposal underscores Isaacman's push to accelerate NASA's scientific and human spaceflight agenda.

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