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Sunnyvale Lockheed Martin Workers Won’t Strike: However, unionized machinists at Lockheed Martin Corp.’s Palmdale and Marietta, Ga., plants voted overwhelmingly to reject a proposed three-year contract with the company and walk out. Members of International Assn. of Machinists and Aerospace Workers union at the Sunnyvale, Calif., plant failed to muster enough votes to authorize a strike. A strike won’t start immediately, because the union is required to give Lockheed Martin five days’ notice. The union and the company couldn’t be reached for comment on notification. The results of the vote in Marietta and Palmdale mean Lockheed Martin and the union must return to the bargaining table, the union said, though no date has been set. The contract included wage increases and cost-of-living raises.