The strike started at Boeing facilities in St. Louis; St. Charles, Missouri; and Mascoutah, Illinois, after about 3,200 local members of the International Association of Machinists and Aerospace Workers voted yesterday to reject a modified four-year labor agreement, the union said. Read more here.

Three Boeing defense plants face a strike as 3,200 machinists walked off their jobs. Members of the International Association of Machinists voted to strike.

Roughly 3,200 workers are striking at sites in Missouri and Illinois. Members of the labor union representing the workers rejected a modified contract offered by Boeing last week.