Lauren Bruner, mong the last sailors rescued from the Arizona, died in September at age 98.
A recent report questioned whether the Navy had accurately assessed strains of the workload on the industrial base.
The submarines included in the latest contract are to be delivered to the Navy between 2025 and 2029.
Four of the funded military construction contracts for the Portsmouth Naval Shipyard are now under contact and ready to go.
A team of ocean explorers confirmed that the USS Grayback was discovered about 50 nautical miles south of Okinawa in June.
The deal is expected to yield $1.8 billion in savings, a Pentagon official said.
The new drone application comes with the Pentagon sharply increasing its unmanned-system funding and testing.
Vice Adm. James Kilby said the Oregon "truly represents naval combat power."
Huntington Ingalls Industries has been accused of falsifying tests and certifications on stealth coatings of its subs.
The Pentagon says the submarine will be christened Saturday at General Dynamics Electric Boat in Groton, Connecticut.