PASADENA, Calif. - Jacobs Engineering Group Inc. received the third of four one-year options on a contract for the U.S. Air Force Air Armament Center at Eglin Air Force Base, Fla., and other locations. The option year, which begins October 1, has a potential value of $98.1 million. Jacobs provides technical and engineering acquisition support for weapons systems development and testing for the AAC. (Source: PRNewswire, 09/08/09)