(Editor's Note: This story has been updated to include a statement from a Navy spokeswoman.) Ingalls Shipbuilding and General Dynamics NASSCO will compete for a single Navy contract that bundles work on the next-generation amphibious warship, the new big-deck amphibious assault ship and the first six replacement oilers, a service official confirmed to Inside the Navy . "The Navy is pursuing a limited competition procurement approach to obtain the lowest price for the procurement of the amphibious assault ship...