The U.S. Navy awarded General Dynamics Bath Iron Works a $38.9m modification to a previously awarded contract to perform class and engineering services associated with the detail design and construction of DDG 1000 Zumwalt-class ships. Bath Iron Works will continue to provide manufacturing support services such as engineering, design, production control, accuracy control and information technology. Other class-support efforts include program management, contract and financial management, procurement and configuration/data management. The original contract was awarded in September 2011. Work is expected to be completed by October 2013.