General Dynamic’s [GE] Electric Boat held a keel laying ceremony for the first Columbia-class ballistic missile submarine on June 4, named the future USS District of Columbia (SSBN-826). During a keel laying, an engraving plate is welded with the boat sponsor’s initials, marking the ceremonial ...

Huntington Ingalls Industries [HII] won a $2.2 billion contract modification from prime contractor General Dynamics Electric Boat [GD] to help build the first two Columbia-class ballistic missile submarines (SSBNs), the company said Nov. 23. GD is the prime contractor to build both Navy ...