General Dynamic's Electric Boat division based in Groton, Connecticut received a modified contract for continued work on the U.S. Ohio replacement submarine
and successor to the United Kingdom's ballistic-missile submarine.
The original contract, initiated in December 2008 was valued at $76 million.
The overall contract for U.S. Navy and U.K. Royal Navy next generation submarines could be as high as $651 Million.
General Dynamic's corporate headquarters is based in Fairfax county.