This is the best summary I could come up with:

According to a complaint issued by a regional office of the National Labor Relations Board, the company fired the employees in 2022 for calling on SpaceX to distance itself from social media comments by Mr. Musk, including one in which he mocked sexual harassment accusations against him.

The labor board complaint said the company’s president and chief operating officer, Gwynne Shotwell, had illegally restricted employees from circulating the letter, and it identified similar infractions by other executives and managers.

Tesla, where Mr. Musk is chief executive, has spent years litigating a case in which the labor board accused it of firing an employee for engaging in union activity.

The Justice Department sued SpaceX in August, accusing it of discriminating against asylum-seekers and refugees in its hiring, but a judge has issued an injunction blocking that case from moving forward.

The labor board complaint said that the firings had been retaliatory and that Ms. Shotwell and other SpaceX officials had interfered with the employees’ rights to engage in concerted activities that are legally protected.

The complaint also said a senior human resources official had illegally created the impression of surveillance when she showed workers involved in drafting the letter screen shots of a chat they had conducted on a messaging app.

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