Northrop Grumman Shipbuilding, Pascagoula, Miss., is being awarded an $18,604,845 modification to previously awarded contract (N00024-07-C-2302) to exercise options for the accomplishment of follow yard class services for the DDG 51 class AEGIS Destroyer Program and will provide expert design, planning and material support services for both DDG 51 ship construction and modernization. Work will be performed in Pascagoula, Miss., and is expected to be completed by August 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.