Elon Musk's SpaceX fires at least five over critical letter

FILE PHOTO: SpaceX founder and CEO Elon Musk arrives to see off the Inspiration 4 crew, the first all-civilian crew to be sent into orbit, before they head to the SpaceX Falcon 9 rocket on Pad 39A at the Kennedy Space Center in Cape Canaveral, U.S., September 15, 2021. REUTERS/Joe Skipper/File Photo

(Reuters) -Private rocket company SpaceX fired at least five employees after it found they had drafted and circulated a letter criticizing founder Elon Musk and urging executives to make the firm's culture more inclusive, two people familiar with the matter said.

SpaceX did not immediately respond to a Reuters request for comment.