From the transcript

Initially, critical components our prime shipyards need today, like precision torpedo tubes and impulse tanks, then moving on to complex rafted module assemblies, and endless possibilities to support future undersea dominance through the cutting-edge technology and innovation this shipyard brings to the problem set. Arsenal 2 will help us attack production bottlenecks with the footprint to add up to 9 million production hours per year into our submarine supply chain. That's a 15% surge in total capacity. This is not a smaller business for our shipbuilders. It is a larger one.