General Dynamics Advanced Information Systems was awarded an $11.5 million modification to a previously awarded contract to provide engineering and technical services for the AN/BYG-1 weapons control system for SSN21-, Virginia- and SSN688/688I-class submarines. This contract modification is the second-year option of a multi-year contract awarded in July 2009. General Dynamics Advanced Information Systems is a business unit of General Dynamics (NYSE:GD).

The AN/BYG-1 integrates the tactical control, weapons control and tactical network subsystems on U.S. Navy and Royal Australian Navy submarines. The General Dynamics-developed weapons control system is based on an open-architecture and open-business model approach which facilitates system enhancements.

The majority of work under this contract will be performed in Pittsfield, Mass.; Fairfax, Va.; and Middletown, R.I. Remaining options under the contract could extend work into 2018.

General Dynamics Advanced Information Systems is a provider of end-to-end intelligence and cyber mission integration and solutions to customers in the defense, intelligence and homeland security communities.

General Dynamics Corporation, headquartered in Falls Church, Va., employs approximately 91,000 people worldwide. The company is a market leader in business aviation; land and expeditionary combat systems, armaments and munitions; shipbuilding and marine systems; and information systems and technologies. More information about General Dynamics is available online at