Tech billionaire and commercial astronaut Jared Isaacman is trying to stem the fallout from a leaked document describing sweeping changes he has proposed for NASA , defending the plan as an incomplete rough draft.

Some industry stakeholders and bureaucrats have interpreted the plan, known as "Athena," as an effort to cancel major projects, such as SLS , NASA's mega moon rocket , and Gateway, a future lunar space station . Critics have also speculated the plan seeks to shutter some of the agency's 10 campuses.

President Donald Trump previously tapped Isaacman, the first civilian to perform a spacewalk during a SpaceX mission he personally funded, to lead the U.S. space agency, then abruptly withdrew that nomination in May. The decision to pull Isaacman followed

See Full Page