About 3,200 union members at Boeing facilities in Missouri and Illinois went on strike at midnight on Monday after rejecting an offer from the company, the union said.

NEW YORK (AP) — Saying “enough is enough,” thousands of workers at three Boeing manufacturing plants went on strike overnight less than a year after the company boosted wages to end a separate, 53-day strike by 33,000 aircraft workers.

Around 3,200 workers at 3 different Boeing factories went on strike on Monday, marking the company’s 2nd strike in less than a year.