Ex-engineer files age discrimination complaint against SpaceX

Filing is latest action against Elon Musk's rocket venture as Twitter and Tesla are also roiled by lawsuits

SpaceX has become the subject of another worker dispute just weeks after unfair labor complaints were filed against the company.

A former engineer at SpaceX, the Elon Musk-run rocket company, filed an age discrimination complaint against the firm with the state of Washington, alleging he was repeatedly passed up for opportunities in favor of younger, less experienced colleagues and was retaliated against when he filed complaints with the company's human resources department and chief operating officer.