United States, July 29 -- 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 (N00024-17-C-2100, N00024-15-C-2114, N00024-16-C-2116), are awarded incentive contract modifications for the construction of five Columbia-class fleet ballistic missile submarines SSBN 828-832 (Build II), the construction of nine Virginia-class attack submarines SSN 814-822 (Block VI), and a tenth shipset of material; and investments in shipbuilder productivity efforts. The Block VI award includes previously announced material awards (including long-lead-time material and economic ordering quantity material). The announcement...