Aerospace giant Boeing filed a notice Wednesday with Missouri’s Office of Workforce Development that it will lay off nearly 700 workers in the state at the start of next year.

Boeing has issued layoff notices to 692 employees in Missouri state, according to a notice filed to Missouri’s Office of Workforce Development.

Boeing will lay off more than 2,500 workers in the U.S. states of Washington, Oregon, South Carolina and Missouri, according to federally required filings posted on Monday and a union official, as part of the debt-heavy U.