sentences:  To settle the lawsuit, Lockheed agreed to pay the federal government $2.2 million and to provide repairs valued at $2.2 million to the faulty systems.Huntington Ingalls Industries has proposed two "patrol frigates" for Navy use, based on the NSC hull.Patrol Frigate 4501 is very similar to the NSC, the main differences being a modified stern ramp and a knuckleboom crane replacing the overhead crane.