The fallen NASA administrator nominee was clearly not a fan of the agency's plan to return astronauts to the Moon.

Billionaire entrepreneur Jared Isaacman, President Donald Trump’s former nominee for NASA administrator, said Wednesday the reason for his pulled nomination may have been made over his ties to Elon Musk,

In the heat of the moment, Elon Musk threatened to decommission SpaceX’s Dragon spacecraft and then he took it back. In doing so, however, the rocket billionaire dragged NASA into his messy breakup with Donald Trump, with the agency’s access to orbit now at stake.

The space agency relies on Elon Musk’s rockets for crucial missions to the International Space Station. Who will replace them when competitors are still playing catch up?

A senior White House official told NBC News earlier Friday that the president is "not interested" in a call with the tech billionaire.