The newest Virginia-class submarine order is estimated to cost nearly $10 billion more than the $22.2 billion contract announced last month, thanks to the price tag of major subsystems the government must separately procure and deliver to the shipbuilder for inclusion in the new boats. On Dec. 2, the Navy announced a $22.2 billion contract award to General Dynamics Electric Boat for a five-year, nine-boat acquisition of the SSN-774 class. Eight of the new subs will be the newest Virginia...