"Jared will drive NASA's mission of discovery and inspiration, paving the way for groundbreaking achievements in Space science, technology, and exploration," Trump said in a post on his Truth Social platform. Isaacman is a billionaire and pilot, who financed his own missions into space. He was the commander of the Inspiration4 mission in 2021, the first mission involving only private astronauts. In September, he went on another mission, which he also commanded. He became the first private astronaut to go on a spacewalk. In both missions he flew into space in SpaceX ships, owned by Elon Musk."