Separately, White House aides, after working to persuade the president to temper his public criticism of Musk to avoid escalation, scheduled a call Friday with the billionaire CEO of Tesla to broker a peace.

Over the course of their now-rocky relationship, Elon Musk and Donald Trump shared a number of notable memes, media moments and photo ops together. They amplified one another on social media and appeared side-by-side at campaign events,