General Dynamics Bath Iron Works, Bath, Maine, is being awarded a $79,452,144 modification to previously awarded contract (N00024-06-C-2303) to exercise an option for additional class services associated with the detail design and construction of the DDG 1000 Zumwalt Class destroyer. This work will provide technical and industrial engineering in the interpretation and application of the detailed design to support construction and the maintenance of a safe and operable ship design. Work will be performed in Bath, Maine, and is expected to be completed by November 2010. Contract funds will not expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.