About 3,200 workers who build F-15 fighter jets and other military aircraft voted to reject the firm's latest offer.

The International Association of Machinists and Aerospace Workers union members in Missouri and Illinois rejected a modified ...

The International Association of Machinists and Aerospace Workers union said Sunday that about 3,200 workers at Boeing ...

The rejected deal featured a 20% wage increase — 8% in the first year, and 4% percent each in years two through four for most ...

Boeing Co. is bracing for the first strike in nearly three decades at its St. Louis-area defense factories after union members rejected the company's modified contract offer.