GROTON, Conn.

- The U.S. Navyhas awarded General Dynamics Electric Boat a $15 million contract modificationto continue development of the Common Missile Compartment for the Ohio replacementsubmarine and theUnited Kingdom's Successor ballistic-missile submarine. Electric Boatis a wholly owned subsidiary of General Dynamics (NYSE: GD).Electric Boatwill procure long-lead-time material for the Common Missile Compartment's integratedmissile-tube and hull. Initially awarded in December 2012, the five-year, $1.85billion contract calls for Electric Boat to perform research and developmentwork for the Navy's next-generation ballistic-missile submarine, which isscheduled to begin construction in 2021. The potential value of the overallcontract is $2.3 billion.This work willengage Electric Boat's engineering and design organization, which comprisesmore than 4,000 employees. Possessing proven technical capabilities, theseemployees work on all facets of the submarine lifecycle from conceptformulation and design through construction, maintenance and modernization, andeventually to inactivation and disposal.More information about General Dynamics isavailable at www.generaldynamics.com.