Boeing Defense workers on strike rally on Oct. 1 at the IAM Union Hall in Hazelwood (Rebecca Rivas/Missouri Independent).

Union mechanics at Boeing Defense in the St. Louis area approved a new contract Thursday, ending a three-month strike.

About 3,200 members of the International Association of Machinists and Aerospace Workers voted to approve Boeing’s latest offer by a 68% margin, after rejecting the company’s previous four offers.

Boeing leaders said they “look forward to having the full team back at work” beginning on Sunday.

The approved offer includes a $6,000 signing bonus, instead of the original $5,000 offered in August. However, Boeing extended the contract’s term from four to five years, with a 24% general wage increase – 8% in the first year and 4% in each of the foll

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