Elon Musk — the CEO of Tesla and SpaceX and owner of X, formerly Twitter — speaks during the New York Times annual DealBook summit in New York City, Nov. 29, 2023.
Michael M. Santiago | Getty Images
The U.S. National Labor Relations Board has filed a complaint against SpaceX, alleging that Elon Musk’s defense contractor illegally fired eight employees after they wrote an open letter critical of Musk and accused the workplace of being…