Members of the International Association of Machinists and Aerospace Workers ratified a new four-year labor agreement with Lockheed Martin. The new contract was ratified March 2 and became effective Monday.

The new agreement extends to March 4, 2018. It covers more than 4,700 Lockheed Martin employees in seven IAM bargaining units – flight line mechanics, assemblers and support personnel – in Palmdale, Calif., Marietta, Ga., Sunnyvale, Calif., and other locations.

"We're pleased that the IAM members ratified this new contract, which provides a fair economic package for our workforce, and positions Lockheed Martin to remain successful in a challengingenvironment," said Craig Weller, vice president, Corporate Labor Relations. "This agreement rewards our employees and allows them to continue their critical work on programs vital to our nation's security."