Boeing is being hit with its second strike in less than a year after 3,200 hourly workers walked off their jobs building military aircraft.

It’s not clear how many metro-east jobs are impacted by the strike. Boeing moved 150 jobs from facilities throughout St. Louis and expected to create 150 new jobs for engineers, mechanics and other staff once the facility became fully operational.

Over 3,200 workers have walked off the job in what marks their first strike in nearly 30 years. The affected workers, primarily based in the St. Louis region, are responsible for assembling and maintaining military aircraft,