FILE - A worker performs hydraulics testing on a new F/A-18 at Boeing's fighter aircraft production line on April 25, 2018, in St. Louis. Roughly 2,500 Boeing workers are expected to go on strike the following month at three plants in the St. Louis area after they voted Sunday, July 24, 2022, to reject a contract offer from the plane maker. (AP Photo/Ted Shaffrey, File)