HII (NYSE:HII) announced today that the U.S. nuclear submarine shipbuilding team, which includes the company’s Newport News Shipbuilding (NNS) division, has been awarded contracts for construction of Block VI Virginia-class and Build II Columbia-class submarines.

The combined total of approximately $76.6 billion in contract modifications from the U.S. Navy to HII’s Newport News Shipbuilding and General Dynamics Electric Boat (GDEB) is to support the construction of five additional Columbia-class, nine additional Virginia-class submarines, and other funding for shipyard infrastructure.

In the Virginia-class program, NNS will serve as the delivery yard for six of the planned submarines. In the Columbia-class program, NNS is a major shipbuilding partner, constructing and delivering six module sections per submarine.