Elon Musk's track record of success is borne from the refusal to be deterred by failure in the pursuit of reaching his goals in every endeavor.
The Department of Defense is among several U.S. federal agencies pushing back against the email, which was sent out Saturday.
The Trump administration told federal agencies they don't have to direct workers to comply with Elon Musk's request for information about their activities at work.
When billionaire Elon Musk posted on X last weekend that all federal employees would soon receive an email demanding details of their work from the past week, senior White House officials -- who had not been fully briefed on the plan -- were initially caught off guard,
Musk has been spearheading aggressive cost-cutting measures across federal agencies, including those tasked with regulating his businesses.
Transportation Secretary Sean Duffy announced the plan after the FAA laid off roughly 400 probationary employees.