More than 30,000 workers at Boeing (BA) have officially chosen to go on strike after rejecting the aerospace company’s preferred contract by an overwhelming majority. According to the International Association of Machinists union District 75, 94.6% of the workers it and W24 Machinists represent on Thursday voted to reject the union’s tentative agreement with Boeing. Ninety-six percent of those workers voted in favor of a strike, which began at midnight on Friday.