Information about these contract modifications is detailed in the US Department of War contract awards, which can be found here and here.

“These important contract modifications provide Electric Boat and our suppliers with the demand certainty we need to continue investing in capacity and hiring the workforce necessary to ensure we deliver these important national security assets on schedule,” said Mark Rayha, President of General Dynamics Electric Boat.

General Dynamics Electric Boat designs, builds, repairs and modernizes nuclear submarines for the US. Navy. Headquartered in Groton, Connecticut, it employs more than 27,000 people.