The president previously rescinded his nomination of Jared Isaacman as the space agency’s next leader, citing the entrepreneur’s ties to Elon Musk.

President Donald Trump tapped Transportation Secretary Sean Duffy to serve as the interim administrator of NASA on Wednesday, July 9. The role has been vacant since Trump withdrew his initial nominee, billionaire private astronaut Jared Isaacman, at the end of May.

Transportation Secretary Sean Duffy has been appointed as the interim NASA Administrator. Duffy will take on this new role following the withdrawal of billionaire Jared Isaacmans