During a brief hearing on Wednesday morning, the Senate Committee on Commerce, Science, and Transportation spent only a few minutes “marking up” new legislation that provides guidance to NASA for its various initiatives, including the Artemis program to land humans on the Moon.

“Our bill authorizes critical funding for, and gives strategic direction to, the agency in line with the priorities of administrator Isaacman and the Trump administration,” said the committee’s chairman, Sen. Ted Cruz, (R-Texas).

The duration of the hearing, however, seems to be the inverse of its significance.

Elements of the legislation, now branded as The NASA Authorization Act of 2026 (see full text), have undergone significant revisions since just last week. The sweeping changes follow NASA Administrator Jared Isaacman’s announcement on Friday that he was shuffling the Artemis program to ensure that the US space agency would beat China back to the Moon and establish a long-term presence at the lunar south pole. In large part, the Senate’s bill endorses Isaacman’s plan of action.

“NASA faces a series of challenges,” Cruz said Wednesday. “Those challenges culminated in an announcement last Friday that NASA was making major changes to the Artemis missions and our eventual return to the lunar surface. Today, the Commerce committee will help guide those changes.”

Major changes to Artemis approved

With the revised legislation, Cruz and the Senate committee have empowered Isaacman and NASA to make significant changes to the Artemis Program. The revised plan for the space agency will likely lead to more launches and a much greater emphasis on the lunar surface.