United States, Aug. 11 -- General Dynamics Electric Boat Corp., Groton, Connecticut, was awarded a $322,593,238 cost-plus-fixed-fee modification to a previously awarded contract (N00024-24-C-2124) for engineering, technical, design agent, and planning yard support for operational strategic and attack submarines. Work will be performed in Groton, Connecticut (70%); Kings Bay, Georgia (13%); Bangor, Washington (10%); Pearl Harbor, Hawaii (3%); North Kingston, Rhode Island (2%); and Newport, Rhode Island (2%), and is expected to be completed by September 2025. Fiscal 2025 other procurement (Navy) funds in the amount of $16,527,923 (53%); fiscal 2025 operations and maintenance (Navy) funds in the amount of $14,275,119 (46%); and fiscal 2025 res...