General Dynamics (GD) Electric Boat has received a contract from the US Navy to provide planning yard work, and engineering and technical support services for its nuclear submarine fleet.
Support activities under the contract will focus on all aspects relating to submarine lifecycle, including concept formulation and design through construction, maintenance and modernisation, as well as inactivation and disposal.
Under the latest $459m modification deal, which follows a previous award in October 2010, Electric Boat will provide design, engineering and logistics support, as well as research and development activities for deployed US submarines and submersibles.
The company will also provide information services and support submarine maintenance and modernisation activities, as well as training and affordability efforts.
As well as drawings and related technical data, included in the contract are services for design change documentation, propulsion plant and maintenance engineering, and on-site support.
Work will be carried out at company's US facilities in Connecticut, Georgia, Washington and Rhode Island; it is scheduled to be complete by September 2013.
The contract has a three-year period of performance and is valued approximately $1.2bn if all options are exercised.