United States, April 30 -- General Dynamics Electric Boat Corp., Groton, Connecticut (N00024-12-C-2115, N00024-17-C-2100, N00024-17-C-2117); and Huntington Ingalls Inc., Newport News Shipbuilding, Newport News, Virginia (N00024-15-C-2114, N00024-16-C-2116, and N00024-21-C-2106), are awarded cost-plus-incentive-fee with ceilings, and cost-plus-fixed-fee contract modifications for construction of two fiscal 2024 Virginia-class submarines (SSN 812 and SSN 813), investments to improve productivity at the shipyards, and for nuclear-powered vessel programs workforce support and investment. General Dynamics Electric Boat Corp. is being awarded $12,418,145,463, and if all options are exercised the total value will be $17,152,265,971; and Huntington...