A unit of military contractor General Dynamics Corp. has been awarded a $118 million contract modification by the U.S. Navy to continue concept studies, engineering and design of a missile compartment for submarines.
The award given to General Dynamics Electric Boat modifies a $76 million contract announced in December 2008.
If all options are exercised and funded, the contract would have a value of more than $600 million.
General Dynamics is based in Falls Church, Va.
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