SpaceX is facing a complaint from the National Labor Relations Board (NLRB) that alleges the company illegally fired employees for writing an open letter that criticized CEO Elon Musk.
Last year, a group of SpaceX employees drafted an open letter to express concerns about how Musk’s behavior “is a frequent source of distraction and embarrassment.” At the time, Musk was in the process of trying to acquire Twitter, which he later renamed X after taking control of the company. SpaceX subsequently fired the employees who helped write the letter.
In the complaint filed on Wednesday, the NLRB accuses SpaceX of interrogating workers about their involvement with the letter and told employees not to discuss these interviews. NLRB spokesperson…