President Donald Trump is nominating tech billionaire Jared Isaacman for a second time to serve as administrator of NASA, he announced on social media Tuesday.

President Donald Trump has renominated billionaire astronaut Jared Isaacman as NASA Administrator, months after withdrawing his initial nomination over concerns about ties to Elon Musk and past political donations.

President Donald Trump on Tuesday nominated billionaire Jared Isaacman to be the new head of NASA after withdrawing his nomination in May.

President Trump renominates tech billionaire and private astronaut Jared Isaacman to lead NASA, signaling a bold fusion of politics, business, and space.

Jared Isaacman's initial nomination was withdrawn by the president in May during his high-profile feud with Elon Musk.

A 62-page document written by billionaire Jared Isaacman outlines a sweeping, ambitious, and at times controversial plan for the space agency.