Overview
- Trump announced the withdrawal on Truth Social, citing a thorough review of Isaacman’s past ties.
 - The White House said the move secures an administrator fully committed to the 'America First' space agenda.
 - Media reports attributed the reversal to concerns over Isaacman’s past donations to Democratic lawmakers.
 - Isaacman, founder of Shift4 Payments, is a veteran of SpaceX’s Inspiration4 and Polaris Dawn missions and was hailed as "competent and kind" by Elon Musk.
 - Reuters sources named retired Air Force Lt. Gen. Steven Kwast as a leading contender for the next NASA chief.