Union leaders recommended approving the offer, but members overwhelmingly voted against it.

Union members rejected the aircraft manufacturer’s proposed new contract, which included a 20 per cent pay rise over 4 years.

The proposed contract that was rejected included a 20% wage increase over four years.

Several thousand Boeing union workers at three St. Louis-area plants who build fighter jets are planning to go on strike after rejecting a proposed contract.

Plane maker expects over 3,200 union workers at three St Louis-area plants to strike after overwhelming no vote

Union leaders recommended approving the offer, but members overwhelmingly voted against it.