NASA Administrator Jared Isaacman announced significant changes to the agency's Artemis program, which aims to land on the moon in 2028.

HOUSTON — NASA's new administrator is shaking up the agency's moon program, announcing plans to restructure the Artemis mission timeline in an effort to improve safety, cut delays and stay ahead of China in the race back to the lunar surface.

At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration missions, from Mercury through Gemini, Apollo, and the Space Shuttle program, NASA has launched humans on average about once every three months. It has been nearly 3.5 years since Artemis I launched.

NASA will give an update today on its progress toward sending a crew to the moon. Four astronauts will fly aboard NASA’s Orion spacecraft, circle Earth and navigate around the moon, and confirm that the spacecraft’s systems operate in the Artemis II launch,

Top engineers and technologists from the private sector can apply to work at NASA for roughly two-year terms in support of America’s space program. NASA Force, launched Wednesday in partnership with the Office of Personnel Management,