General Dynamics Electric Boat, a division of General Dynamics Corporation (NYSE: GD), has secured a $642 million contract modification from the U.S. Department of Defense.The funding will support design and development activities tied to the Virginia-class submarine program, strengthening one of the Navy’s most critical undersea assets.The cost-plus-fixed-fee contract amendment builds on a previous agreement (N00024-20-C-2120) and provides resources for lead yard services, development initiatives, and engi ...