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 ...

In December, the Navy awarded General Dynamics a contract for the first Columbia-class strategic submarine, which will replace the aging Ohio-class subs in their critical nuclear deterrence mission. All in all, the modernization program is expected to cost upward of $110 billion and enjoys solid ...